Product Features 1" in diameter Knuckle Buckle Emerged bumps Plastic Knuckle bumps Purple/li> Product Description Check out this awesome Plastic, Knuckle Buckle! This buckle comes with a hard ABS knuckle bump, which is why it is so Unique. These are Excellent for Martial Arts training. This Knuckle Buckle also featu
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What's the best object to use as 'sleeper' brass knuckles? All I can think of are extra large carabiners. - Quora
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