diff --git a/code/__DEFINES/traits.dm b/code/__DEFINES/traits.dm
index d707f7e58a..a5bbe0e304 100644
--- a/code/__DEFINES/traits.dm
+++ b/code/__DEFINES/traits.dm
@@ -174,6 +174,7 @@
 #define TRAIT_CLOWN_MENTALITY	"clown_mentality" // The future is now, clownman.
 #define TRAIT_FREESPRINT		"free_sprinting"
 #define TRAIT_NO_TELEPORT		"no-teleport" //you just can't
+#define TRAIT_NO_INTERNALS		"no-internals"
 #define TRAIT_NO_ALCOHOL		"alcohol_intolerance"
 
 // common trait sources
diff --git a/code/_onclick/hud/screen_objects.dm b/code/_onclick/hud/screen_objects.dm
index 14e1794b4d..15d1d3b717 100644
--- a/code/_onclick/hud/screen_objects.dm
+++ b/code/_onclick/hud/screen_objects.dm
@@ -291,6 +291,9 @@
 		icon_state = "internal0"
 	else
 		if(!C.getorganslot(ORGAN_SLOT_BREATHING_TUBE))
+			if(HAS_TRAIT(C, TRAIT_NO_INTERNALS))
+				to_chat(C, "<span class='warning'>Due to cumbersome equipment or anatomy, you are currently unable to use internals!</span>")
+				return
 			var/obj/item/clothing/check
 			var/internals = FALSE
 
diff --git a/code/game/gamemodes/clown_ops/clown_weapons.dm b/code/game/gamemodes/clown_ops/clown_weapons.dm
index 21b7bd19db..b054ff89af 100644
--- a/code/game/gamemodes/clown_ops/clown_weapons.dm
+++ b/code/game/gamemodes/clown_ops/clown_weapons.dm
@@ -203,13 +203,18 @@
 	clumsy_check = GRENADE_NONCLUMSY_FUMBLE
 
 /obj/item/grenade/chem_grenade/teargas/moustache/prime()
-	var/myloc = get_turf(src)
+	var/list/check_later = list()
+	for(var/mob/living/carbon/C in get_turf(src))
+		check_later += C
 	. = ..()
-	for(var/mob/living/carbon/M in view(6, myloc))
-		if(!istype(M.wear_mask, /obj/item/clothing/mask/gas/clown_hat) && !istype(M.wear_mask, /obj/item/clothing/mask/gas/mime) )
-			if(!M.wear_mask || M.dropItemToGround(M.wear_mask))
+	if(!.) //grenade did not properly prime.
+		return
+	for(var/M in check_later)
+		var/mob/living/carbon/C = M
+		if(!istype(C.wear_mask, /obj/item/clothing/mask/gas/clown_hat) && !istype(C.wear_mask, /obj/item/clothing/mask/gas/mime))
+			if(!C.wear_mask || C.dropItemToGround(C.wear_mask))
 				var/obj/item/clothing/mask/fakemoustache/sticky/the_stash = new /obj/item/clothing/mask/fakemoustache/sticky()
-				M.equip_to_slot_or_del(the_stash, SLOT_WEAR_MASK, TRUE, TRUE, TRUE, TRUE)
+				C.equip_to_slot_or_del(the_stash, SLOT_WEAR_MASK, TRUE, TRUE, TRUE, TRUE)
 
 /obj/item/clothing/mask/fakemoustache/sticky
 	var/unstick_time = 2 MINUTES
@@ -217,10 +222,16 @@
 /obj/item/clothing/mask/fakemoustache/sticky/Initialize()
 	. = ..()
 	ADD_TRAIT(src, TRAIT_NODROP, STICKY_MOUSTACHE_TRAIT)
-	addtimer(CALLBACK(src, .proc/unstick), unstick_time)
+	addtimer(TRAIT_CALLBACK_REMOVE(src, TRAIT_NODROP, STICKY_MOUSTACHE_TRAIT), unstick_time)
 
-/obj/item/clothing/mask/fakemoustache/sticky/proc/unstick()
-	ADD_TRAIT(src, TRAIT_NODROP, STICKY_MOUSTACHE_TRAIT)
+/obj/item/clothing/mask/fakemoustache/sticky/equipped(mob/user, slot)
+	. = ..()
+	if(slot == SLOT_WEAR_MASK)
+		ADD_TRAIT(user, TRAIT_NO_INTERNALS, STICKY_MOUSTACHE_TRAIT)
+
+/obj/item/clothing/mask/fakemoustache/sticky/dropped(mob/user)
+	. = ..()
+	REMOVE_TRAIT(user, TRAIT_NO_INTERNALS, STICKY_MOUSTACHE_TRAIT)
 
 //DARK H.O.N.K. AND CLOWN MECH WEAPONS
 
diff --git a/code/game/objects/items/grenades/chem_grenade.dm b/code/game/objects/items/grenades/chem_grenade.dm
index cb16b558d3..afdde02e32 100644
--- a/code/game/objects/items/grenades/chem_grenade.dm
+++ b/code/game/objects/items/grenades/chem_grenade.dm
@@ -177,7 +177,7 @@
 
 /obj/item/grenade/chem_grenade/prime()
 	if(stage != READY)
-		return
+		return FALSE
 
 	var/list/datum/reagents/reactants = list()
 	for(var/obj/item/reagent_containers/glass/G in beakers)
@@ -192,7 +192,7 @@
 				O.forceMove(drop_location())
 			beakers = list()
 		stage_change(EMPTY)
-		return
+		return FALSE
 
 	if(nadeassembly)
 		var/mob/M = get_mob_by_ckey(assemblyattacher)
@@ -205,6 +205,7 @@
 	update_mob()
 
 	qdel(src)
+	return TRUE
 
 //Large chem grenades accept slime cores and use the appropriately.
 /obj/item/grenade/chem_grenade/large
@@ -219,7 +220,7 @@
 
 /obj/item/grenade/chem_grenade/large/prime()
 	if(stage != READY)
-		return
+		return FALSE
 
 	for(var/obj/item/slime_extract/S in beakers)
 		if(S.Uses)
@@ -237,7 +238,7 @@
 				else
 					S.forceMove(get_turf(src))
 					no_splash = TRUE
-	..()
+	return ..()
 
 	//I tried to just put it in the allowed_containers list but
 	//if you do that it must have reagents.  If you're going to
@@ -288,7 +289,7 @@
 
 /obj/item/grenade/chem_grenade/adv_release/prime()
 	if(stage != READY)
-		return
+		return FALSE
 
 	var/total_volume = 0
 	for(var/obj/item/reagent_containers/RC in beakers)
@@ -296,7 +297,7 @@
 	if(!total_volume)
 		qdel(src)
 		qdel(nadeassembly)
-		return
+		return FALSE
 	var/fraction = unit_spread/total_volume
 	var/datum/reagents/reactants = new(unit_spread)
 	reactants.my_atom = src
@@ -313,6 +314,7 @@
 	else
 		addtimer(CALLBACK(src, .proc/prime), det_time)
 	log_game("A grenade detonated at [AREACOORD(DT)]")
+	return TRUE
 
 
 
diff --git a/code/game/objects/items/tanks/tanks.dm b/code/game/objects/items/tanks/tanks.dm
index 55d8c8256b..7157103f14 100644
--- a/code/game/objects/items/tanks/tanks.dm
+++ b/code/game/objects/items/tanks/tanks.dm
@@ -33,6 +33,9 @@
 		H.update_internals_hud_icon(0)
 	else
 		if(!H.getorganslot(ORGAN_SLOT_BREATHING_TUBE))
+			if(HAS_TRAIT(H, TRAIT_NO_INTERNALS))
+				to_chat(H, "<span class='warning'>Due to cumbersome equipment or anatomy, you are currently unable to use internals!</span>")
+				return
 			var/obj/item/clothing/check
 			var/internals = FALSE
 
diff --git a/code/modules/mob/living/carbon/carbon.dm b/code/modules/mob/living/carbon/carbon.dm
index 126bcd1ba2..113588facf 100644
--- a/code/modules/mob/living/carbon/carbon.dm
+++ b/code/modules/mob/living/carbon/carbon.dm
@@ -230,7 +230,7 @@
 
 	dat += "<BR><B>Back:</B> <A href='?src=[REF(src)];item=[SLOT_BACK]'>[back ? back : "Nothing"]</A>"
 
-	if(istype(wear_mask, /obj/item/clothing/mask) && istype(back, /obj/item/tank))
+	if(!HAS_TRAIT(src, TRAIT_NO_INTERNALS) && istype(wear_mask, /obj/item/clothing/mask) && istype(back, /obj/item/tank))
 		dat += "<BR><A href='?src=[REF(src)];internal=1'>[internal ? "Disable Internals" : "Set Internals"]</A>"
 
 	if(handcuffed)
@@ -249,7 +249,7 @@
 	..()
 	//strip panel
 	if(usr.canUseTopic(src, BE_CLOSE, NO_DEXTERY))
-		if(href_list["internal"])
+		if(href_list["internal"] && !HAS_TRAIT(src, TRAIT_NO_INTERNALS))
 			var/slot = text2num(href_list["internal"])
 			var/obj/item/ITEM = get_item_by_slot(slot)
 			if(ITEM && istype(ITEM, /obj/item/tank) && wear_mask && (wear_mask.clothing_flags & ALLOWINTERNALS))
diff --git a/code/modules/mob/living/carbon/life.dm b/code/modules/mob/living/carbon/life.dm
index ea9e6be78b..7d9b876876 100644
--- a/code/modules/mob/living/carbon/life.dm
+++ b/code/modules/mob/living/carbon/life.dm
@@ -334,9 +334,10 @@
 	var/obj/item/clothing/check
 	var/internals = FALSE
 
-	for(check in GET_INTERNAL_SLOTS(src))
-		if(CHECK_BITFIELD(check.clothing_flags, ALLOWINTERNALS))
-			internals = TRUE
+	if(!HAS_TRAIT(src, TRAIT_NO_INTERNALS))
+		for(check in GET_INTERNAL_SLOTS(src))
+			if(CHECK_BITFIELD(check.clothing_flags, ALLOWINTERNALS))
+				internals = TRUE
 	if(internal)
 		if(internal.loc != src)
 			internal = null
diff --git a/code/modules/uplink/uplink_items/uplink_explosives.dm b/code/modules/uplink/uplink_items/uplink_explosives.dm
index 4db8643a66..c52651fee9 100644
--- a/code/modules/uplink/uplink_items/uplink_explosives.dm
+++ b/code/modules/uplink/uplink_items/uplink_explosives.dm
@@ -145,7 +145,7 @@
 /datum/uplink_item/explosives/tearstache
 	name = "Teachstache Grenade"
 	desc = "A teargas grenade that launches sticky moustaches onto the face of anyone not wearing a clown or mime mask. The moustaches will \
-		remain attached to the face of all targets for one minute, preventing the use of breath masks and other such devices."
+		remain attached to the face of all targets for two minutes, preventing the use of breath masks and other such devices."
 	item = /obj/item/grenade/chem_grenade/teargas/moustache
 	cost = 3
 	surplus = 0