Silver Skull Defense Ring - Pointed Knuck Bottle Opener - Metal

Self-Defense Knuckle Ring

Defense Ring, Gold

Crack One Open : Iron & Glory Skull Bottle Opener (Luckies)

TTXS Skull Bottle Opener,Skull Bottle Opener Keychain Ring,Beer Bottle Opener with Magnetic Cap Catcher,Home Bartender Restaurant DéCor Made of Stainless Alloy : Home & Kitchen

Metal Skeleton Two Finger Tiger Thickened And Heavier Lightning Man Fist Buckle Iron Four S Defense Martial Arts Ring CCCfish 767Z178h From 12,39 €

10 Pieces Ring Bottle Opener Stainless Steel Beer Bottle Opener Colorful Finger Bottle Opener for Party Present Supplies: Home & Kitchen

Skull Punch Defense Ring - 1-Point Stealth Rings - Self-Defense Weapons

TTXS Skull Bottle Opener,Skull Bottle Opener Keychain Ring,Beer Bottle Opener with Magnetic Cap Catcher,Home Bartender Restaurant DéCor Made of Stainless Alloy : Home & Kitchen

Self Defense Rings - UK

Corpse Clobbering Skull 2 Finger Self Defense Knuckles Blue

Scar Crack Stainless Steel Skull Ring – GTHIC

Skull knuckle duster 1 finger - JP Fusil Couleur Gold

Self Defense Ring - Sweden