Black Hidden Blade Knuckles - Claw Knife Knuckle Duster - Hidden

The Black Hidden Blade Knuckles are a claw knife knuckle duster that you can keep as your little secret. But that blade is seriously sharp, so watch out! Find this hidden knife brass knuckles for sale !

Black Hidden Blade Knuckles - Claw Knife Knuckle Duster - Hidden

Black Hidden Blade Knuckles - Claw Knife Knuckle Duster - Hidden

Black Hidden Blade Knuckles - Claw Knife Knuckle Duster - Hidden

Black Hidden Blade Knuckles - Claw Knife Knuckle Duster - Hidden

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Why are brass knuckles considered an effective weapon? Won't their sharp edges dig in the hand of the punch-thrower and hurt/incapacitate them quickly? - Quora

Brass Knuckles Knife - Canada