Some equipment does look like it can use accessories for the slot that doesn't exist for it, like Halloween masks(they dun got nuffin) or chroma mask(it does seem like it can equip some face accessories but id doesn't have slot for it), so if at least some of those got new slots for accessories that would open a lot of opportunities for fashion❤
+1. its probably been mentioned but nothings been done so :P do want! maybe even let us put accessories on limited duration costumes, and let us get our accessories back after the item duration is up :D