i hurt myself today

code/modules/clothing/under/_under.dm

@@ -12,6 +12,7 @@
 	var/can_adjust = TRUE
 	var/adjusted = NORMAL_STYLE
 	var/alt_covers_chest = FALSE // for adjusted/rolled-down jumpsuits, FALSE = exposes chest and arms, TRUE = exposes arms only
+	var/dummy_thick = FALSE // is able to hold accessories on its item
 	var/obj/item/clothing/accessory/attached_accessory
 	var/mutable_appearance/accessory_overlay
 	mutantrace_variation = STYLE_DIGITIGRADE
@@ -82,6 +83,10 @@
 			if(user)
 				to_chat(user, "<span class='warning'>[src] already has an accessory.</span>")
 			return
+		if(dummy_thick)
+			if(user)
+				to_chat(user, "<span class='warning'>[src] is too bulky and cannot have accessories attached to it!</span>")
+			return
 		else
 			if(user && !user.temporarilyRemoveItemFromInventory(I))
 				return

code/modules/clothing/under/syndicate.dm

@@ -25,7 +25,7 @@
 	icon_state = "bloodred_pajamas"
 	item_state = "bl_suit"
 	item_color = "bloodred_pajamas"
-	has_sensor = NO_SENSORS
+	dummy_thick = TRUE
 	armor = list("melee" = 10, "bullet" = 10, "laser" = 10,"energy" = 10, "bomb" = 0, "bio" = 0, "rad" = 10, "fire" = 50, "acid" = 40)
 	resistance_flags = FIRE_PROOF | ACID_PROOF
 	can_adjust = FALSE