diff --git a/SCHIZO/Creatures/Components/CarryCreature.cs b/SCHIZO/Creatures/Components/CarryCreature.cs
index d1866580..453d22c7 100644
--- a/SCHIZO/Creatures/Components/CarryCreature.cs
+++ b/SCHIZO/Creatures/Components/CarryCreature.cs
@@ -1,19 +1,36 @@
 using System.Collections;
+using SCHIZO.Helpers;
 using UnityEngine;
 
 namespace SCHIZO.Creatures.Components;
 
-/// <summary>Adapted from <see cref="CollectShiny"/></summary>
 partial class CarryCreature : IOnTakeDamage, IOnMeleeAttack
 {
-    private GetCarried target;
-    private bool targetPickedUp;
+    public Carryable target;
+    public Creature creature;
+    public bool targetPickedUp;
+
+    private float pickupRadiusSquared;
     private float timeNextFindTarget;
     private float timeNextUpdate;
-    private static readonly EcoRegion.TargetFilter _isTargetValidFilter = target => target.GetGameObject().GetComponent<GetCarried>();
+    private static readonly EcoRegion.TargetFilter _isTargetValidFilter = target => target.GetGameObject().GetComponent<Carryable>();
 
     public EcoTargetType EcoTargetType => (EcoTargetType) _ecoTargetType;
 
+    public void Awake()
+    {
+        creature = GetComponent<Creature>();
+        pickupRadiusSquared = Mathf.Pow(attachRadius, 2f);
+        Pickupable pickupable = GetComponent<Pickupable>();
+        if (pickupable) pickupable.pickedUpEvent.AddHandler(gameObject, (_) => Drop());
+    }
+
+    public void OnDestroy()
+    {
+        Pickupable pickupable = GetComponent<Pickupable>();
+        if (pickupable) pickupable.pickedUpEvent.RemoveHandlers(gameObject);
+    }
+
     void IOnTakeDamage.OnTakeDamage(DamageInfo damageInfo)
     {
         if (damageInfo.damage > 0) Drop();
@@ -22,7 +39,7 @@ void IOnTakeDamage.OnTakeDamage(DamageInfo damageInfo)
     bool IOnMeleeAttack.HandleMeleeAttack(GameObject targetObject)
     {
         // prevent bite after releasing
-        if (targetObject.GetComponent<GetCarried>()) return true;
+        if (targetObject.GetComponent<Carryable>()) return true;
 
         // pick up held creature instead of eating it
         Player player = targetObject.GetComponent<Player>();
@@ -31,15 +48,18 @@ bool IOnMeleeAttack.HandleMeleeAttack(GameObject targetObject)
         GameObject heldObject = Inventory.main.GetHeldObject();
         if (!heldObject) return false;
 
-        GetCarried heldCarryable = heldObject.GetComponent<GetCarried>();
+        Carryable heldCarryable = heldObject.GetComponent<Carryable>();
         if (!heldCarryable) return false;
 
-        if (EcoTargetType != heldObject.GetComponent<IEcoTarget>()?.GetTargetType()) return false;
+        EcoTargetType filterType = EcoTargetType;
+        EcoTargetType targetType = heldObject.GetComponent<IEcoTarget>()?.GetTargetType()
+            ?? EcoTargetType.None;
+        if (filterType != targetType) return false;
 
         Inventory.main.DropHeldItem(false);
         heldObject.SetActive(true); // really makes you think
         StartCoroutine(DelayedPickupHack());
-        creature.SetFriend(player.gameObject, 120f);
+        if (creature) creature.SetFriend(player.gameObject, 120f);
         return true;
 
         IEnumerator DelayedPickupHack() // not sure how or why but WM sometimes doesn't get scaled correctly unless we wait a frame
@@ -49,24 +69,91 @@ IEnumerator DelayedPickupHack() // not sure how or why but WM sometimes doesn't
         }
     }
 
-    public override float Evaluate(float time)
+    public void FixedUpdate()
     {
-        if (timeNextFindTarget < time)
+        float time = Time.fixedTime;
+        float deltaTime = Time.fixedDeltaTime;
+        if (time > timeNextFindTarget)
         {
             UpdateTarget();
-            if (target)
+            timeNextFindTarget = time + updateTargetInterval * (1f + 0.2f * Random.value);
+        }
+
+        if (!target) return;
+
+        if (time < timeNextUpdate) return;
+        timeNextUpdate = time + updateInterval;
+
+        if (!targetPickedUp)
+        {
+            swimToTarget.target = target.transform;
+            Vector3 toTarget = target.transform.position - attachSocket.transform.position;
+            if (toTarget.sqrMagnitude < pickupRadiusSquared)
             {
-                creature.Aggression.Value = 0;
-                creature.Curiosity.Value = 10;
+                bool pickedUp = targetPickedUp = TryPickup(target);
+                if (!pickedUp)
+                {
+                    ClearTarget();
+                    timeNextFindTarget = time + updateTargetInterval * 2;
+                }
+            }
+        }
+        else
+        {
+            RepositionTarget();
+            if (ADHD > 0)
+            {
+                float roll = Random.value;
+                if (roll < ADHD)
+                {
+                    //LOGGER.LogWarning($"dropping because {roll}<{ADHD}");
+                    Drop();
+                    return;
+                }
+            }
+            if (creature)
+            {
+                creature.Happy.Add(deltaTime);
+                creature.Friendliness.Add(deltaTime);
             }
-            timeNextFindTarget = time + updateTargetInterval * (1f + 0.2f * Random.value);
         }
-        return target && target.gameObject.activeInHierarchy ? GetEvaluatePriority() : 0f;
     }
 
-    public bool TryPickup(GetCarried getCarried)
+    private void UpdateTarget()
+    {
+        if (targetPickedUp || EcoTargetType == EcoTargetType.None) return;
+
+        IEcoTarget ecoTarget = EcoRegionManager.main!?.FindNearestTarget(EcoTargetType, transform.position, _isTargetValidFilter, 1);
+        Carryable newTarget = ecoTarget?.GetGameObject()!?.GetComponent<Carryable>();
+        if (!newTarget || newTarget == target || !newTarget.GetComponent<Rigidbody>()) return;
+        if (newTarget.gameObject == gameObject) return; // holy hell
+
+        Vector3 toNewTarget = newTarget.transform.position - transform.position;
+        if (Physics.Raycast(transform.position, toNewTarget, toNewTarget.magnitude, Voxeland.GetTerrainLayerMask()))
+            return;
+        SetTarget(newTarget);
+    }
+
+    public void SetTarget(Carryable newTarget)
+    {
+        if (!newTarget) return;
+        if (newTarget.gameObject == gameObject) return;
+
+        target = newTarget;
+        Transform targetTransform = newTarget.attachPlug !?? newTarget.transform;
+        swimToTarget.target = targetTransform;
+    }
+
+    public void ClearTarget()
+    {
+        target = null;
+        swimToTarget.target = null;
+    }
+
+    public bool TryPickup(Carryable getCarried)
     {
-        if (!getCarried) return false;
+        if (!getCarried || getCarried.gameObject == gameObject) return false;
+        if (target) Drop();
         target = getCarried;
         return TryPickupTarget();
     }
@@ -74,13 +161,12 @@ public bool TryPickup(GetCarried getCarried)
     private bool TryPickupTarget()
     {
         if (!target || !target.gameObject || !target.gameObject.activeInHierarchy) return false;
-        if (!target.CanBePickedUp()) return false;
+        if (!target.CanBePickedUp(this)) return false;
 
         if (target.GetComponentInParent<Player>())
         {
             // in player's inventory
             Drop();
-            timeNextFindTarget = Time.time + 6f;
             return false;
         }
         UWE.Utils.SetCollidersEnabled(target.gameObject, false);
@@ -88,15 +174,14 @@ private bool TryPickupTarget()
         UWE.Utils.SetEnabled(target.GetComponent<LargeWorldEntity>(), false);
 
         Transform targetTransform = target.transform;
-        targetTransform.SetParent(attachPoint, true); // false sets scale incorrectly
-        target.OnPickedUp();
-        targetPickedUp = true;
+        targetTransform.SetParent(attachSocket, true); // false sets scale incorrectly
 
-        RepositionTarget(target);
+        RepositionTarget();
         StartCoroutine(DelayedReposition()); // some component just really likes running updates for a few frames after it gets disabled
 
-        swimBehaviour.SwimTo(transform.position + Vector3.up + 5f * Random.onUnitSphere, Vector3.up, swimVelocity);
-        timeNextUpdate = Time.time + 1f;
+        target.OnPickedUp(this);
+        targetPickedUp = true;
+        swimToTarget.target = null;
 
         return true;
 
@@ -105,32 +190,36 @@ IEnumerator DelayedReposition()
             for (int i = 0; i < 5; i++)
             {
                 yield return new WaitForSeconds(0.05f);
-                RepositionTarget(target);
+                RepositionTarget();
             }
         }
     }
 
-    private void RepositionTarget(GetCarried getCarried)
+    private void RepositionTarget()
     {
-        Transform targetTransform = getCarried.transform;
+        Transform targetTransform = target.transform;
         if (resetRotation) targetTransform.localRotation = Quaternion.identity;
 
-        // place the transform so the pickup point is on the attach point
-        Vector3 offset = getCarried.pickupPoint
-            ? -getCarried.pickupPoint.localPosition
-            : Vector3.zero;
-        offset.Scale(new Vector3(1f / targetTransform.localScale.x, 1f / targetTransform.localScale.y, 1f / targetTransform.localScale.z));
-        targetTransform.localPosition = offset;
+        targetTransform.localPosition = Vector3.zero;
+        // place the transform so the plug is exactly on the socket
+        Vector3 offset = Vector3.zero;
+        
+        if (target.attachPlug)
+        {
+            offset = attachSocket.InverseTransformPoint(target.attachPlug.position);
+        }
+        
+        targetTransform.localPosition = -offset;
     }
 
-    private void Drop()
+    public void Drop()
     {
         if (target && targetPickedUp)
         {
             DropTarget(target.gameObject);
-            target.OnDropped();
+            target.OnDropped(this);
         }
-        target = null;
+        SetTarget(null);
         targetPickedUp = false;
     }
 
@@ -146,78 +235,5 @@ private void DropTarget(GameObject targetObject)
             LargeWorldStreamer.main!?.cellManager.RegisterEntity(lwe);
     }
 
-    private void UpdateTarget()
-    {
-        IEcoTarget ecoTarget = EcoRegionManager.main!?.FindNearestTarget(EcoTargetType, transform.position, _isTargetValidFilter, 1);
-        GetCarried newTarget = ecoTarget?.GetGameObject()!?.GetComponent<GetCarried>();
-        if (!newTarget) return;
-
-        Vector3 toNewTarget = newTarget.transform.position - transform.position;
-        float dist = toNewTarget.magnitude - 0.5f;
-        if (dist > 0 && Physics.Raycast(transform.position, toNewTarget, dist, Voxeland.GetTerrainLayerMask()))
-            return;
-        if (target == newTarget || !newTarget.GetComponent<Rigidbody>())
-            return;
-        if (target)
-        {
-            float sqrDistToNew = toNewTarget.sqrMagnitude;
-            float sqrDistToCurr = (target.transform.position - transform.position).sqrMagnitude;
-
-            if (sqrDistToNew > sqrDistToCurr)
-                Drop();
-        }
-        target = newTarget;
-    }
-
-    public override void Perform(float time, float deltaTime)
-    {
-        if (!target) return;
-        if (!targetPickedUp)
-        {
-            if (time > timeNextUpdate)
-            {
-                timeNextUpdate = time + updateInterval;
-                swimBehaviour.SwimTo(target.transform.position, -Vector3.up, swimVelocity);
-            }
-            if ((attachPoint.transform.position - target.transform.position).sqrMagnitude < Mathf.Pow(attachRadius, 2f))
-            {
-                TryPickupTarget();
-                return;
-            }
-        }
-        else
-        {
-            if (target.transform.parent != attachPoint)
-            {
-                if (target.transform.parent && target.transform.parent.GetComponentInParent<CarryCreature>())
-                {
-                    // picked up by someone else
-                    Drop();
-                }
-                else
-                {
-                    TryPickupTarget();
-                }
-                return;
-            }
-            if (time > timeNextUpdate)
-            {
-                timeNextUpdate = time + updateInterval;
-                RepositionTarget(target); // sometimes the target moves (for absolutely no reason) after it gets attached
-                swimBehaviour.SwimTo(transform.position + 2f * swimVelocity * Random.insideUnitSphere, swimVelocity);
-                float roll = Random.value;
-                if (roll < ADHD)
-                {
-                    //LOGGER.LogWarning($"dropping because {roll}<{ADHD}");
-                    Drop();
-                }
-            }
-            creature.Happy.Add(deltaTime);
-            creature.Friendliness.Add(deltaTime);
-        }
-    }
-
-    public override void StopPerform(float time) => Drop();
-
-    private void OnDisable() => Drop();
+    public void OnDisable() => Drop();
 }
diff --git a/SCHIZO/Creatures/Components/Carryable.cs b/SCHIZO/Creatures/Components/Carryable.cs
new file mode 100644
index 00000000..2f4af2d2
--- /dev/null
+++ b/SCHIZO/Creatures/Components/Carryable.cs
@@ -0,0 +1,118 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using SCHIZO.Helpers;
+using SCHIZO.Resources;
+using SCHIZO.Sounds.Collections;
+using SCHIZO.Sounds.Players;
+using UnityEngine;
+using Random = UnityEngine.Random;
+
+namespace SCHIZO.Creatures.Components;
+
+partial class Carryable
+{
+    public bool isCarried;
+    public Func<Carryable, CarryCreature, bool> CanAttach;
+    public Action<Carryable, CarryCreature> Attached;
+    public Action<Carryable, CarryCreature> Detached;
+
+    private Creature creature;
+
+    private float _nextCarryNoiseTime;
+    private float _lastPickedUpTime;
+    private List<Behaviour> _disabledComponents;
+    private static readonly List<Type> toDisable = new()
+    {
+        typeof(WorldAmbientSoundPlayer),
+        typeof(SwimBehaviour),
+        typeof(Rigidbody),
+        typeof(Creature),
+    };
+
+    public void Awake()
+    {
+        _disabledComponents = new List<Behaviour>();
+        creature = GetComponent<Creature>();
+    }
+
+    public bool CanBePickedUp(CarryCreature pickuper) => !isCarried && Time.time - _lastPickedUpTime > 5f
+                && (CanAttach?.Multicast().All(f => f(this, pickuper)) ?? true);
+
+    private void DisableComponents()
+    {
+        _disabledComponents.Clear();
+        foreach (Type type in toDisable)
+        {
+            Behaviour comp = GetComponent(type) as Behaviour;
+            if (!comp || !comp.enabled) continue;
+
+            _disabledComponents.Add(comp);
+            comp.enabled = false;
+        }
+    }
+
+    private void RestoreComponents()
+    {
+        foreach (Behaviour component in _disabledComponents)
+        {
+            if (component) component.enabled = true;
+        }
+        _disabledComponents.Clear();
+    }
+
+    public void OnPickedUp(CarryCreature parent)
+    {
+        if (isCarried) RestoreComponents();
+        DisableComponents();
+        PlaySound(attachSounds);
+        isCarried = true;
+        _lastPickedUpTime = Time.time;
+        _nextCarryNoiseTime = Time.time + carryNoiseInterval * (1 + Random.value);
+
+        Attached?.Invoke(this, parent);
+    }
+
+    public void OnDropped(CarryCreature parent)
+    {
+        PlaySound(detachSounds);
+        isCarried = false;
+        RestoreComponents();
+
+        Detached?.Invoke(this, parent);
+    }
+
+    public void FixedUpdate()
+    {
+        if (!isCarried) return;
+
+        float time = Time.fixedTime;
+        float deltaTime = Time.fixedDeltaTime;
+
+        if (creature)
+        {
+            if (likesBeingCarried)
+            {
+                creature.Happy.Add(deltaTime);
+                creature.Friendliness.Add(deltaTime / 2f);
+            }
+            else
+            {
+                creature.Scared.Add(deltaTime);
+                creature.Tired.Add(deltaTime / 2f);
+            }
+        }
+
+        if (time > _nextCarryNoiseTime)
+        {
+            _nextCarryNoiseTime = time + carryNoiseInterval * (1 + Random.value);
+            PlaySound(carrySounds);
+        }
+    }
+
+    private void PlaySound(SoundCollectionInstance coll)
+    {
+        if (Assets.Mod_Options_DisableAllSounds.Value) return;
+        coll!?.PlayRandom3D(emitter);
+    }
+}
diff --git a/SCHIZO/Creatures/Components/GetCarried.cs b/SCHIZO/Creatures/Components/GetCarried.cs
deleted file mode 100644
index 2f8c2abe..00000000
--- a/SCHIZO/Creatures/Components/GetCarried.cs
+++ /dev/null
@@ -1,110 +0,0 @@
-using System;
-using System.Collections.Generic;
-using SCHIZO.Sounds.Players;
-using UnityEngine;
-using Random = UnityEngine.Random;
-
-namespace SCHIZO.Creatures.Components;
-
-partial class GetCarried
-{
-    public bool isCarried;
-
-    private float _nextCarryNoiseTime;
-    private float _lastPickedUpTime;
-    private List<(MonoBehaviour component, bool wasEnabled)> _disabledComponents;
-    private static readonly List<Type> toDisable = new()
-    {
-        typeof(WorldAmbientSoundPlayer),
-        typeof(SwimBehaviour),
-        typeof(Rigidbody),
-    };
-
-    public override void Awake()
-    {
-        base.Awake();
-        // contrary to the name, this is actually the max possible priority
-        // full explanation here <see cref="Events.Ermcon.ErmconAttendee.Awake"/>
-        evaluatePriority = 99f;
-        _disabledComponents = new List<(MonoBehaviour component, bool wasEnabled)>();
-    }
-
-    public override float Evaluate(float time) => isCarried ? 99f : -99f; // manual start/end
-
-    public bool CanBePickedUp() => Time.time - _lastPickedUpTime > 5f;
-
-    private void DisableComponents()
-    {
-        _disabledComponents.Clear();
-        foreach (Type type in toDisable)
-        {
-            MonoBehaviour comp = GetComponent(type) as MonoBehaviour;
-            if (!comp) continue;
-
-            _disabledComponents.Add((comp, comp.enabled));
-            comp.enabled = false;
-        }
-    }
-
-    private void RestoreComponents()
-    {
-        foreach ((MonoBehaviour component, bool wasEnabled) in _disabledComponents)
-        {
-            if (!component) continue;
-            component.enabled = wasEnabled;
-        }
-    }
-
-    public void OnPickedUp()
-    {
-        pickupSounds!?.PlayRandom3D(emitter);
-        isCarried = true;
-        _lastPickedUpTime = Time.time;
-        StartPerform(Time.time);
-    }
-
-    public void OnDropped()
-    {
-        releaseSounds!?.PlayRandom3D(emitter);
-        isCarried = false;
-        StopPerform(Time.time);
-    }
-
-    public override void StartPerform(float time)
-    {
-        DisableComponents();
-        _nextCarryNoiseTime = time + carryNoiseInterval * (1 + Random.value);
-        if (!isCarried) OnPickedUp();
-    }
-
-    public override void Perform(float time, float deltaTime)
-    {
-        if (!isCarried)
-        {
-            StopPerform(time);
-            return;
-        }
-        if (likesBeingCarried)
-        {
-            creature.Happy.Add(deltaTime);
-            creature.Friendliness.Add(deltaTime / 2f);
-        }
-        else
-        {
-            creature.Scared.Add(deltaTime);
-            creature.Tired.Add(deltaTime / 2f);
-        }
-
-        if (time > _nextCarryNoiseTime)
-        {
-            _nextCarryNoiseTime = time + carryNoiseInterval * (1 + Random.value);
-            carrySounds!?.PlayRandom3D(emitter);
-        }
-    }
-
-    public override void StopPerform(float time)
-    {
-        if (isCarried) OnDropped();
-        RestoreComponents();
-    }
-}
diff --git a/SCHIZO/Creatures/Ermfish/ErmStack.cs b/SCHIZO/Creatures/Ermfish/ErmStack.cs
new file mode 100644
index 00000000..00258f05
--- /dev/null
+++ b/SCHIZO/Creatures/Ermfish/ErmStack.cs
@@ -0,0 +1,205 @@
+using System.Collections.Generic;
+using System.Linq;
+using SCHIZO.Creatures.Components;
+using SCHIZO.Helpers;
+using UnityEngine;
+
+namespace SCHIZO.Creatures.Ermfish;
+
+/// <summary>
+/// erm (tail)<br/>
+/// ...<br/>
+/// erm ^-socket side-^ v-plug side-v<br/>
+/// ...<br/>
+/// erm (head) &lt;-- has swim control<br/>
+/// </summary>
+public sealed partial class ErmStack
+{
+    // TODO: actual stack behaviour (push/pop) just to be funny
+
+    public ErmStack head;
+    public ErmStack tail;
+
+    public ErmStack nextPlug;
+    public ErmStack nextSocket;
+
+    private float _nextUpdate;
+
+    public void Start()
+    {
+        head = this;
+        tail = this;
+        plug.Attached += OnConnected;
+        plug.Detached += OnDisconnected;
+        plug.CanAttach += ShouldAttach;
+
+        socket.ADHD = 0f; // we will detach manually
+    }
+
+    public void FixedUpdate()
+    {
+        if (Time.fixedTime > _nextUpdate)
+        {
+            _nextUpdate = Time.fixedTime + updateInterval;
+
+            float roll = Random.Range(0f, 1f);
+            // LOGGER.LogWarning($"rolled {roll}");
+
+            if (!nextSocket && !nextPlug)
+            {
+                if (socket.target) return;
+                if (roll < growStackChance) StartStacking();
+            }
+            else
+            {
+                float detachChance = nextSocket && nextPlug ? middleDetachChance : endsDetachChance;
+                if (roll < detachChance)
+                {
+                    Disconnect(Random.Range(0f, 1f) < 0.5f);
+                }
+            }
+        }
+    }
+
+    public void StartStacking()
+    {
+        ErmStack target = FindTarget();
+        if (!target || target == this) return;
+        
+        socket.SetTarget(target.plug);
+    }
+
+    public ErmStack FindTarget()
+    {
+        TechType selfTechType = CraftData.GetTechType(gameObject);
+        bool EcoTargetFilter(IEcoTarget et) => CraftData.GetTechType(et.GetGameObject()) == selfTechType && et.GetGameObject() != gameObject;
+
+        ErmStack target = FindNearest_EcoTarget() !?? FindNearest_TechType();
+        return target;
+
+        ErmStack FindNearest_EcoTarget()
+        {
+            EcoTarget selfEcoTarget = GetComponent<EcoTarget>();
+            if (!selfEcoTarget || selfEcoTarget.type == EcoTargetType.None) return null;
+
+            return EcoRegionManager.main!?
+                .FindNearestTarget(selfEcoTarget.type, transform.position, EcoTargetFilter)?
+                .GetGameObject()!?
+                .GetComponent<ErmStack>();
+        }
+
+        ErmStack FindNearest_TechType()
+        {
+            return PhysicsHelpers.ObjectsInRange(gameObject.transform.position, 20f)
+                .OfTechType(selfTechType)
+                .OrderByDistanceTo(gameObject.transform.position)
+                .SelectComponentInParent<ErmStack>()
+                .Where(s => !s.nextSocket && s != this)
+                .FirstOrDefault();
+        }
+    }
+
+    public static bool Connect(ErmStack plug, ErmStack socket)
+    {
+        if (plug.nextSocket)
+        {
+            LOGGER.LogError($"Tried to connect plug '{plug}' to socket '{socket}' but plug is already attached to {plug.nextSocket}!\nDisconnecting!");
+            plug.Disconnect(false);
+        }
+        if (socket.nextPlug)
+        {
+            LOGGER.LogError($"Tried to connect plug '{plug}' to socket '{socket}' but socket is already attached to {socket.nextPlug}!\nDisconnecting!");
+            socket.Disconnect(true);
+        }
+
+        return socket.socket.TryPickup(plug.plug);
+    }
+
+    /// <summary>
+    /// Disconnect a <paramref name="node"/> from the stack.
+    /// </summary>
+    /// <param name="node">Node to disconnect.</param>
+    /// <param name="plugSide">Which side to disconnect from. Only has an effect on middle nodes.</param>
+    public static void Disconnect(ErmStack node, bool plugSide = true)
+    {
+        if (!node.nextSocket && !node.nextPlug) return;
+
+        // Disconnect only actually does anything on the socket side
+        CarryCreature socket;
+        if (node.nextSocket && node.nextPlug)
+        {
+            // both connected - respect plugSide
+            socket = plugSide ? node.nextSocket.socket : node.socket;
+        }
+        else
+        {
+            socket = node.nextSocket?.socket ?? node.socket;
+        }
+        socket.Drop();
+    }
+
+    public bool Connect(ErmStack node, bool nodeIsPlug) => nodeIsPlug ? Connect(node, this) : Connect(this, node);
+    public void Disconnect(bool plugSide = true) => Disconnect(this, plugSide);
+
+    public bool ShouldAttach(Carryable plug, CarryCreature socket)
+    {
+        ErmStack socketStack = socket.GetComponent<ErmStack>();
+        if (!socketStack) return true;
+
+        return socketStack.head != head && socketStack.tail != tail
+            && !socketStack.nextPlug;
+    }
+    public void OnConnected(Carryable plug, CarryCreature socket)
+    {
+        // only called on the plug side - so we update the socket from the plug
+        ErmStack socketStack = socket.GetComponent<ErmStack>();
+        if (!socketStack) return;
+
+        socketStack.nextPlug = this;
+        nextSocket = socketStack;
+
+        WalkToTail().ForEach(s => s.head = socketStack.head);
+        socketStack.WalkToHead().ForEach(s => s.tail = tail);
+    }
+
+    public void OnDisconnected(Carryable plug, CarryCreature socket)
+    {
+        // only called on the plug side - so we update the socket from the plug
+        ErmStack socketStack = socket.GetComponent<ErmStack>();
+        if (!socketStack) return;
+
+        socketStack.nextPlug = null;
+        nextSocket = null;
+
+        WalkToTail().ForEach(s => s.head = this);
+        socketStack.WalkToHead().ForEach(s => s.tail = socketStack);
+    }
+
+    private IEnumerable<ErmStack> WalkToHead()
+    {
+        yield return this;
+        for (ErmStack curr = nextSocket; curr; curr = curr.nextSocket)
+        {
+            if (curr == this)
+            {
+                LOGGER.LogError($"Cycle in {nameof(WalkToHead)} - {nameof(nextSocket)} is self\n{StackTraceUtility.ExtractStackTrace()}");
+                yield break;
+            }
+            yield return curr;
+        }
+    }
+
+    private IEnumerable<ErmStack> WalkToTail()
+    {
+        yield return this;
+        for (ErmStack curr = nextPlug; curr; curr = curr.nextPlug)
+        {
+            if (curr == this)
+            {
+                LOGGER.LogError($"Cycle in {nameof(WalkToTail)} - {nameof(nextPlug)} is self\n{StackTraceUtility.ExtractStackTrace()}");
+                yield break;
+            }
+            yield return curr;
+        }
+    }
+}
diff --git a/SCHIZO/Helpers/CastingHelpers.cs b/SCHIZO/Helpers/CastingHelpers.cs
deleted file mode 100644
index 2eed3f15..00000000
--- a/SCHIZO/Helpers/CastingHelpers.cs
+++ /dev/null
@@ -1,13 +0,0 @@
-using System.Runtime.CompilerServices;
-using UnityEngine;
-
-namespace SCHIZO.Helpers;
-
-public static class CastingHelpers
-{
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public static FMOD_CustomEmitter ToFMODEmitter(this MonoBehaviour monoBehaviour)
-    {
-        return (FMOD_CustomEmitter) monoBehaviour;
-    }
-}
diff --git a/SCHIZO/Helpers/DelegateHelpers.cs b/SCHIZO/Helpers/DelegateHelpers.cs
new file mode 100644
index 00000000..cfdba08e
--- /dev/null
+++ b/SCHIZO/Helpers/DelegateHelpers.cs
@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace SCHIZO.Helpers;
+
+public static class DelegateHelpers
+{
+    public static IEnumerable<TFunc> Multicast<TFunc>(this TFunc multicast)
+        where TFunc : MulticastDelegate
+    {
+        return multicast.GetInvocationList().Cast<TFunc>();
+    }
+}
diff --git a/SCHIZO/Helpers/VectorExtensions.cs b/SCHIZO/Helpers/VectorExtensions.cs
new file mode 100644
index 00000000..70ea51db
--- /dev/null
+++ b/SCHIZO/Helpers/VectorExtensions.cs
@@ -0,0 +1,9 @@
+using UnityEngine;
+
+namespace SCHIZO.Helpers;
+
+public static class VectorExtensions
+{
+    public static Vector3 Reciprocal(this Vector3 vec3)
+        => new(1f / vec3.x, 1f / vec3.y, 1f / vec3.z);
+}
diff --git a/SCHIZO/Interop/Subnautica/_SwimToTarget.cs b/SCHIZO/Interop/Subnautica/_SwimToTarget.cs
new file mode 100644
index 00000000..10d387ca
--- /dev/null
+++ b/SCHIZO/Interop/Subnautica/_SwimToTarget.cs
@@ -0,0 +1,5 @@
+namespace SCHIZO.Interop.Subnautica;
+
+partial class _SwimToTarget : SwimToTarget
+{
+}
diff --git a/SCHIZO/Resources/AssetBundles/Assets.cs b/SCHIZO/Resources/AssetBundles/Assets.cs
index adb4f9ad..24b32fed 100644
--- a/SCHIZO/Resources/AssetBundles/Assets.cs
+++ b/SCHIZO/Resources/AssetBundles/Assets.cs
@@ -12,7 +12,7 @@ namespace SCHIZO.Resources;
 
 public static class Assets
 {
-    private const int _rnd = 1099564147;
+    private const int _rnd = 1215340893;
 
     private static readonly UnityEngine.AssetBundle _a = ResourceManager.GetAssetBundle("assets");
 
diff --git a/SCHIZO/Resources/AssetBundles/assets b/SCHIZO/Resources/AssetBundles/assets
index 6f8be8d1..cb21ca7f 100644
Binary files a/SCHIZO/Resources/AssetBundles/assets and b/SCHIZO/Resources/AssetBundles/assets differ
diff --git a/Unity/Assets/Mod/Ermfish/Ermfish.prefab b/Unity/Assets/Mod/Ermfish/Ermfish.prefab
index eb79453c..953c60f3 100644
--- a/Unity/Assets/Mod/Ermfish/Ermfish.prefab
+++ b/Unity/Assets/Mod/Ermfish/Ermfish.prefab
@@ -218,6 +218,26 @@ BoxCollider:
   serializedVersion: 2
   m_Size: {x: 1, y: 1, z: 1}
   m_Center: {x: 0, y: 0, z: 0}
+--- !u!114 &-3723841728758596834
+MonoBehaviour:
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+  m_PrefabInstance: {fileID: 0}
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+  m_Enabled: 1
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+  m_Script: {fileID: 11500000, guid: cc42e514932a01944b425963c56250c8, type: 3}
+  m_Name: 
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+  _ecoTargetType: 2010
+  attachRadius: 2
+  updateInterval: 2
+  updateTargetInterval: 1
+  attachSocket: {fileID: 3425085474201060618}
+  resetRotation: 1
+  ADHD: 0
 --- !u!114 &-2321474093542275019
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   m_ObjectHideFlags: 0
@@ -256,9 +276,47 @@ MonoBehaviour:
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   m_Name: 
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-  creature: {fileID: 0}
-  swimBehaviour: {fileID: 0}
-  evaluatePriority: 0.4
+  likesBeingCarried: 1
+  attachPlug: {fileID: 5839032077065552717}
+  emitter: {fileID: 5648931341203019549}
+  carryNoiseInterval: 5
+  attachSounds: {fileID: 0}
+  carrySounds: {fileID: 0}
+  detachSounds: {fileID: 0}
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+  m_Script: {fileID: 11500000, guid: 0d7f09158e470e841abeeb53b7af894c, type: 3}
+  m_Name: 
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+  socket: {fileID: -3723841728758596834}
+  plug: {fileID: -906797858269330932}
+  updateInterval: 2
+  growStackChance: 0.1
+  endsDetachChance: 0.05
+  middleDetachChance: 0.02
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+MonoBehaviour:
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+  m_Script: {fileID: 11500000, guid: 804aa32b92fdc9a4d966f17405ac50c1, type: 3}
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+  swimBehaviour: {fileID: 3767109891289925411}
+  evaluatePriority: 0.8
   priorityMultiplier:
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     m_Curve: []
@@ -266,13 +324,8 @@ MonoBehaviour:
     m_PostInfinity: 2
     m_RotationOrder: 4
   minActionCheckInterval: -1
-  likesBeingCarried: 1
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-  carryNoiseInterval: 5
-  pickupSounds: {fileID: 0}
-  carrySounds: {fileID: 0}
-  releaseSounds: {fileID: 0}
+  swimVelocity: 6
+  swimInterval: 1
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 GameObject:
   m_ObjectHideFlags: 0
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   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 5952168343408095337}
   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
-  m_LocalPosition: {x: 0, y: 0.82, z: 0.28}
-  m_LocalScale: {x: 0.9, y: 0.9, z: 0.9}
+  m_LocalPosition: {x: 0, y: 1.22, z: 0}
+  m_LocalScale: {x: 1, y: 1, z: 1}
   m_Children:
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   m_Father: {fileID: 8883497526312519149}
@@ -909,18 +962,6 @@ Transform:
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@@ -957,6 +998,18 @@ MonoBehaviour:
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   m_Name: 
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+MonoBehaviour:
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+  m_Name: 
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 PrefabInstance:
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diff --git a/Unity/Assets/Mod/Ermshark/Ermshark prefab.prefab b/Unity/Assets/Mod/Ermshark/Ermshark prefab.prefab
index 724006b8..640a7a56 100644
--- a/Unity/Assets/Mod/Ermshark/Ermshark prefab.prefab	
+++ b/Unity/Assets/Mod/Ermshark/Ermshark prefab.prefab	
@@ -1,19 +1,36 @@
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@@ -461,15 +468,11 @@ MonoBehaviour:
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@@ -952,6 +961,12 @@ PrefabInstance:
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@@ -1004,30 +1019,18 @@ PrefabInstance:
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@@ -1684,9 +1687,9 @@ GameObject:
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@@ -1720,3 +1717,21 @@ GameObject:
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diff --git a/Unity/Assets/Mod/Ermshark/Sounds/Ambient/Ambient.asset b/Unity/Assets/Mod/Ermshark/Sounds/Ambient/Ambient.asset
index 52706cdf..7ffb153b 100644
--- a/Unity/Assets/Mod/Ermshark/Sounds/Ambient/Ambient.asset
+++ b/Unity/Assets/Mod/Ermshark/Sounds/Ambient/Ambient.asset
@@ -11,7 +11,7 @@ MonoBehaviour:
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   m_Script: {fileID: 11500000, guid: 1c07b4304e30a144f81553498090382c, type: 3}
   m_Name: Ambient
-  m_EditorClassIdentifier:
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   sounds:
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@@ -20,3 +20,19 @@ MonoBehaviour:
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diff --git a/Unity/Assets/Mod/Tutel/Tutel.prefab b/Unity/Assets/Mod/Tutel/Tutel.prefab
index 982333dd..afd2a34b 100644
--- a/Unity/Assets/Mod/Tutel/Tutel.prefab
+++ b/Unity/Assets/Mod/Tutel/Tutel.prefab
@@ -226,7 +226,7 @@ MonoBehaviour:
     m_RotationOrder: 4
   minActionCheckInterval: -1
   likesBeingCarried: 0
-  pickupPoint: {fileID: 0}
+  attachPlug: {fileID: 0}
   emitter: {fileID: 6151193553991328253}
   carryNoiseInterval: 5
   pickupSounds: {fileID: -4909919376518584713, guid: 1117ab6ef838da74b8d402a14c1296da,
diff --git a/Unity/Assets/Scripts/SCHIZO/Creatures/Components/CarryCreature.cs b/Unity/Assets/Scripts/SCHIZO/Creatures/Components/CarryCreature.cs
index 28ea6fc9..6d4fcef8 100644
--- a/Unity/Assets/Scripts/SCHIZO/Creatures/Components/CarryCreature.cs
+++ b/Unity/Assets/Scripts/SCHIZO/Creatures/Components/CarryCreature.cs
@@ -1,22 +1,29 @@
-using JetBrains.Annotations;
 using UnityEngine;
-using SCHIZO.Interop.Subnautica.Enums;
 using TriInspector;
+using JetBrains.Annotations;
+using SCHIZO.Interop.Subnautica.Enums;
+using SCHIZO.Interop.Subnautica;
+using SCHIZO.TriInspector.Attributes;
 
 namespace SCHIZO.Creatures.Components
 {
-    public sealed partial class CarryCreature : CustomCreatureAction
+    [DeclareComponentReferencesGroup]
+    public sealed partial class CarryCreature : MonoBehaviour
     {
+        [ComponentReferencesGroup]
+        public _SwimToTarget swimToTarget;
         [SerializeField, UsedImplicitly]
+        [Tooltip("None means this won't seek out carryables at all - then, it can only pick anything up from the player's hands"
+            + "\n(or if directed by another component)")]
         private EcoTargetType_All _ecoTargetType;
-        [Required]
-        public Transform attachPoint;
-        [Tooltip("Rotate the carried creature to match the attach point's forward/up vectors.")]
-        public bool resetRotation;
         public float attachRadius = 2f;
         public float updateInterval = 2f;
         public float updateTargetInterval = 1f;
-        public float swimVelocity = 10f;
+
+        [Required]
+        public Transform attachSocket;
+        [Tooltip("Rotate the carried creature to match the attach point's forward/up vectors.")]
+        public bool resetRotation;
         [Tooltip("Chance to drop the carried target, rolled every action update (every Update Interval)")]
         [Range(0f, 1f)]
         public float ADHD = 0.15f;
diff --git a/Unity/Assets/Scripts/SCHIZO/Creatures/Components/GetCarried.cs b/Unity/Assets/Scripts/SCHIZO/Creatures/Components/Carryable.cs
similarity index 66%
rename from Unity/Assets/Scripts/SCHIZO/Creatures/Components/GetCarried.cs
rename to Unity/Assets/Scripts/SCHIZO/Creatures/Components/Carryable.cs
index 04a92aa8..e6871cfc 100644
--- a/Unity/Assets/Scripts/SCHIZO/Creatures/Components/GetCarried.cs
+++ b/Unity/Assets/Scripts/SCHIZO/Creatures/Components/Carryable.cs
@@ -6,16 +6,16 @@
 namespace SCHIZO.Creatures.Components
 {
     [DeclareBoxGroup("Sounds")]
-    public partial class GetCarried : CustomCreatureAction
+    public partial class Carryable : MonoBehaviour
     {
         public bool likesBeingCarried;
-        public Transform pickupPoint;
+        public Transform attachPlug;
 
         [GroupNext("Sounds")]
         public _FMOD_CustomEmitter emitter;
         public float carryNoiseInterval = 5f;
-        public SoundCollectionInstance pickupSounds;
+        public SoundCollectionInstance attachSounds;
         public SoundCollectionInstance carrySounds;
-        public SoundCollectionInstance releaseSounds;
+        public SoundCollectionInstance detachSounds;
     }
 }
diff --git a/Unity/Assets/Scripts/SCHIZO/Creatures/Components/GetCarried.cs.meta b/Unity/Assets/Scripts/SCHIZO/Creatures/Components/Carryable.cs.meta
similarity index 100%
rename from Unity/Assets/Scripts/SCHIZO/Creatures/Components/GetCarried.cs.meta
rename to Unity/Assets/Scripts/SCHIZO/Creatures/Components/Carryable.cs.meta
diff --git a/Unity/Assets/Scripts/SCHIZO/Creatures/Ermfish.meta b/Unity/Assets/Scripts/SCHIZO/Creatures/Ermfish.meta
new file mode 100644
index 00000000..0f79df0f
--- /dev/null
+++ b/Unity/Assets/Scripts/SCHIZO/Creatures/Ermfish.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 871f6102cd12b51429a2d5c6a9ea484b
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Unity/Assets/Scripts/SCHIZO/Creatures/Ermfish/ErmStack.cs b/Unity/Assets/Scripts/SCHIZO/Creatures/Ermfish/ErmStack.cs
new file mode 100644
index 00000000..7939b470
--- /dev/null
+++ b/Unity/Assets/Scripts/SCHIZO/Creatures/Ermfish/ErmStack.cs
@@ -0,0 +1,25 @@
+using SCHIZO.Creatures.Components;
+using SCHIZO.Interop.Subnautica;
+using UnityEngine;
+
+namespace SCHIZO.Creatures.Ermfish
+{
+    [RequireComponent(typeof(CarryCreature), typeof(Carryable), typeof(_SwimToTarget))]
+    public sealed partial class ErmStack : MonoBehaviour
+    {
+        public int maxStack = 7;
+        public CarryCreature socket;
+        public Carryable plug;
+
+        [Tooltip("Seconds between each update. Updating rolls the chances to start a stack/detach from a stack.")]
+        public float updateInterval = 2f;
+
+        [Tooltip("Chance (rolled each update) to target and approach the nearest of its kin.")]
+        public float growStackChance = 0.10f;
+
+        [Tooltip("Chance that this creature will detach if it's at the head (bottom) or tail (top) of the stack.")]
+        public float endsDetachChance = 0.05f;
+        [Tooltip("Chance that this creature will detach if it's in the middle of the stack.")]
+        public float middleDetachChance = 0.02f;
+    }
+}
diff --git a/Unity/Assets/Scripts/SCHIZO/Creatures/Ermfish/ErmStack.cs.meta b/Unity/Assets/Scripts/SCHIZO/Creatures/Ermfish/ErmStack.cs.meta
new file mode 100644
index 00000000..3bbc7623
--- /dev/null
+++ b/Unity/Assets/Scripts/SCHIZO/Creatures/Ermfish/ErmStack.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 0d7f09158e470e841abeeb53b7af894c
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
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+  assetBundleVariant: 
diff --git a/Unity/Assets/Scripts/SCHIZO/Interop/Subnautica/_ModelPlug.Unity.cs b/Unity/Assets/Scripts/SCHIZO/Interop/Subnautica/_ModelPlug.Unity.cs
index e41dcbfd..af42bc44 100644
--- a/Unity/Assets/Scripts/SCHIZO/Interop/Subnautica/_ModelPlug.Unity.cs
+++ b/Unity/Assets/Scripts/SCHIZO/Interop/Subnautica/_ModelPlug.Unity.cs
@@ -5,11 +5,10 @@ namespace SCHIZO.Interop.Subnautica
 {
     [DeclareComponentReferencesGroup]
     [DeclareUnexploredGroup]
-    [DeclareUnexploredGroup(MODEL_PLUG_GROUP)]
     partial class _ModelPlug : MonoBehaviour
     {
         protected const string MODEL_PLUG_GROUP = "Model Plug";
 
-        [UnexploredGroup(MODEL_PLUG_GROUP)] public Transform plugOrigin;
+        public Transform plugOrigin;
     }
 }
diff --git a/Unity/Assets/Scripts/SCHIZO/Interop/Subnautica/_SwimToTarget.Unity.cs b/Unity/Assets/Scripts/SCHIZO/Interop/Subnautica/_SwimToTarget.Unity.cs
new file mode 100644
index 00000000..acf4d1f0
--- /dev/null
+++ b/Unity/Assets/Scripts/SCHIZO/Interop/Subnautica/_SwimToTarget.Unity.cs
@@ -0,0 +1,8 @@
+namespace SCHIZO.Interop.Subnautica
+{
+    partial class _SwimToTarget : _CreatureAction
+    {
+        public float swimVelocity = 4f;
+        public float swimInterval = 1f;
+    }
+}
\ No newline at end of file
diff --git a/Unity/Assets/Scripts/SCHIZO/Interop/Subnautica/_SwimToTarget.Unity.cs.meta b/Unity/Assets/Scripts/SCHIZO/Interop/Subnautica/_SwimToTarget.Unity.cs.meta
new file mode 100644
index 00000000..4a3c23b3
--- /dev/null
+++ b/Unity/Assets/Scripts/SCHIZO/Interop/Subnautica/_SwimToTarget.Unity.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 3feaff8980a9e604286587255332467e
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Unity/Assets/Scripts/SCHIZO/Interop/Subnautica/_SwimToTarget.cs b/Unity/Assets/Scripts/SCHIZO/Interop/Subnautica/_SwimToTarget.cs
new file mode 100644
index 00000000..6ea06789
--- /dev/null
+++ b/Unity/Assets/Scripts/SCHIZO/Interop/Subnautica/_SwimToTarget.cs
@@ -0,0 +1,6 @@
+namespace SCHIZO.Interop.Subnautica
+{
+    public abstract partial class _SwimToTarget
+    {
+    }
+}
\ No newline at end of file
diff --git a/Unity/Assets/Scripts/SCHIZO/Interop/Subnautica/_SwimToTarget.cs.meta b/Unity/Assets/Scripts/SCHIZO/Interop/Subnautica/_SwimToTarget.cs.meta
new file mode 100644
index 00000000..c8543ea4
--- /dev/null
+++ b/Unity/Assets/Scripts/SCHIZO/Interop/Subnautica/_SwimToTarget.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 15f0ed82485f35a4287f66b14f5f563f
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Unity/Assets/Scripts/Subnautica/SwimToTarget.cs b/Unity/Assets/Scripts/Subnautica/SwimToTarget.cs
new file mode 100644
index 00000000..a161d7bf
--- /dev/null
+++ b/Unity/Assets/Scripts/Subnautica/SwimToTarget.cs
@@ -0,0 +1,5 @@
+using SCHIZO.Interop.Subnautica;
+
+public class SwimToTarget : _SwimToTarget
+{
+}
\ No newline at end of file
diff --git a/Unity/Assets/Scripts/Subnautica/SwimToTarget.cs.meta b/Unity/Assets/Scripts/Subnautica/SwimToTarget.cs.meta
new file mode 100644
index 00000000..15c91abe
--- /dev/null
+++ b/Unity/Assets/Scripts/Subnautica/SwimToTarget.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 804aa32b92fdc9a4d966f17405ac50c1
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
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+  icon: {instanceID: 0}
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+  assetBundleName: 
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