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Will getting punched in the skull with brass knuckles likely cause death? - Quora

Knuckle duster Smiley Single Finger Spiked brass knuckles Self Defense – KNUCKLEDUSTER

Are brass knuckles actually useful in a fight? - Quora

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What are the best defensive strategies if someone is coming at you with brass knuckles/knuckle dusters and you are not a skilled fighter? - Quora