code/modules/clothing/masks/gasmask.dm 
| /obj/item/clothing/mask/gas | INVENTORY/VISOR FLAGS While not strictly a variation override, this applies to showing mutant ears or snouts. |
|---|---|
| /obj/item/clothing/mask/gas/monkeymask | NONE(Squash) Clothing that does not have species or snout variation, and doesn't quite cover the snout either. Instead, it will 'squash' the face, hiding the snout. |