So?
Plastic finger strengthener mistaken for brass knuckles.
Play a stupid game. Win a stupid prize.
Some guitarists use them; https://www.dickssportinggoods.com/p/gripmaster-heavy-resistance-hand-exerciser-papmacjeoffoikfb/papmacjeoffoikfb?camp=CSE:DSG_pg15947_ecom_PLA_452&gclid=Cj0KEQjwt6fHBRDtm9O8xPPHq4gBEiQAdxotvFtwWyH5aui_klH4K7sKo5n85GaWHAJIVsCyAk-EnD4aAjI08P8HAQ