Tiger-USA® America Knuckle Duster Trench Knife 4" w/ Glassbreaker - The Home Security Superstore
First Responder's Trench Knife - RED - $24.95 : Brass Knuckles Company... Since 1999™
Biker USA Knuckle OTF Knife - Gold Handle-4D2-143GB
KBK (Karambit Brass Knuckles) by Shadow696 on DeviantArt
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