These knuckles will let your attacker know you mean business in a self defence situation. They’re built out of a very tough material with no metals
Knuckles the Echidna (Paramount), Sonic Wiki Zone
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The Best Knuckles Character Designs In The Sonic The Hedgehog
The Best Knuckles Character Designs In The Sonic The Hedgehog
Knuckles - Super Mario Wiki, the Mario encyclopedia
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