Heh forgot these.

code/__HELPERS/experimental.dm

@@ -124,7 +124,9 @@ var/list/masterPool = list()
 /*
  * Override this if the object variables needed to reset.
  *
- * Example: see, code\game\objects\structures\grille.dm
+ * Example: see, code\game\objects\items\stacks\sheets\glass.dm
+ *				 @/obj/item/weapon/shard
+ *				 @resetVariables()
  */
 /atom/movable
 	proc/resetVariables()

code/game/objects/items/stacks/sheets/glass.dm

@@ -235,7 +235,9 @@
  */
 /obj/item/weapon/shard
 	resetVariables()
-		..("pixel_y", "pixel_x", "icon_state")
+		var/list/exclude = list("pixel_y", "pixel_x", "icon_state")
+		exclude += args
+		..(exclude)
 
 /obj/item/weapon/shard/Bump()
 	spawn( 0 )