If you like brass knuckles, you will love the black plastic knuckle duster. This fist-loading weapon works just as wall as any other but without all that pesky metal.
Compact Gold Knuckle Duster - Self-Defense Brass Knuckles - Fist
ArtStation - Brass knuckles
Brass Knuckles Weapon - UK
Are brass or carbon fiber knuckle dusters better in your opinion? : r/mallninjashit
Outdoor Metal Brass Knuckles Duster Four Fingers Fist Buckle
Thickened Clip Metal Knuckle Duster Boxing Training Four Finger
Metal Knuckle Duster Four Finger Self Defense Tool Silver Black
Single-Finger Brass Knuckles - Metal Self Defense Knuckle - Solid
Black Plastic Knuckle Duster - Fist-Loading Weapon - Brass
How dangerous are brass knuckles compared to a bare fist? - Quora
Accessories - Bows, Knives & Self Defence - Polymer Knuckles
Brass Knuckles: A Misunderstood Self Defense Tool?
1 Brass Knuckle Silver Tone Charm SC1754 - Ireland
Solid Brass Knuckle Duster - Real Brass Knuckles - Classic Brass