How to categorize Guitar Hero faceplates?

[BinaryMessiah]

I don't see any on the site (unless I'm searching wrong) and since these are universal faceplates what category would they go under? Would it be just under "Other Accessory"? Here's an example

https://www.ebay.com/itm/376120290274?chn=ps&mkevt=1&mkcid=28&google_free_listing_action=view_item