1

code/__DEFINES/traits.dm

@@ -233,6 +233,8 @@
 #define TRAIT_IN_TUTORIAL "t_IN_TUTORIAL"
 /// If the mob is cloaked in any form
 #define TRAIT_CLOAKED "t_cloaked"
+/// If the mob won't drop items held in face slot when downed
+#define TRAIT_IRON_TEETH "t_iron_teeth"
 
 // -- ability traits --
 /// Xenos with this trait cannot have plasma transfered to them

code/datums/elements/mouth_drop_item.dm

@@ -18,7 +18,7 @@
 /datum/element/mouth_drop_item/proc/item_equipped(obj/item/I, mob/living/carbon/human/user, slot)
 	SIGNAL_HANDLER
 
-	if(slot == WEAR_FACE)
+	if(slot == WEAR_FACE && !HAS_TRAIT(user, TRAIT_IRON_TEETH))
 		I.RegisterSignal(user, COMSIG_LIVING_SET_BODY_POSITION, TYPE_PROC_REF(/obj/item, drop_to_floor))
 
 /datum/element/mouth_drop_item/proc/item_dropped(obj/item/I, mob/living/carbon/human/user)

code/modules/character_traits/biology_traits.dm

@@ -130,3 +130,16 @@
 /datum/character_trait/biology/hardcore/unapply_trait(mob/living/carbon/human/target)
 	REMOVE_TRAIT(target, TRAIT_HARDCORE, ROUNDSTART_TRAIT)
 	..()
+
+/datum/character_trait/biology/iron_teeth
+	trait_name = "Iron Teeth"
+	trait_desc = "You've got iron teeth or really good dental insurance. Items in your face slot won't fall out when you go down."
+	applyable = TRUE
+	cost = 1
+/datum/character_trait/biology/iron_teeth/apply_trait(mob/living/carbon/human/target, datum/equipment_preset/preset)
+	ADD_TRAIT(target, TRAIT_IRON_TEETH, ROUNDSTART_TRAIT)
+	..()
+
+/datum/character_trait/biology/lisp/unapply_trait(mob/living/carbon/human/target)
+	REMOVE_TRAIT(target, TRAIT_IRON_TEETH, ROUNDSTART_TRAIT)
+	..()