Knock Out Automatic Brass Knuckle Karambit Knife
This knuckle has been contoured to fit comfortably in the palm of your hand. The brushed finish makes this item an eye catching piece. Being constructed of zinc aluminum this knuckle is lightweight yet lethal especially with an automatic karambit style steel blade inside. Overall length is 5 inches.
What's better for self defense, push daggers or brass knuckles? - Quora
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Gil Hibben Warbird Folding Karambit - 7Cr17
What do they call knives where you can put your fingers thru as part of the handle making it very very difficult for any would be attacker to take it away from
Is Karambit Knife Good for Self Defense
Self Defense for Sale - Buy Quality Blades at Discount Prices Online
Fixed-Blade Neck Knife Wartech 2.5in. Damascus-Style Tactica
Knife Knuckles for Effective Self Defense