Picture of Knex Knuckle Duster (10 Sec. Make)
This is a knex knuckle duster that poped in my head in 2 secs. and i made it in 10 secs.

PS i know it looks rubbish BUT IT MAKES A REAL GOOD PUNCH!!!
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Step 1: Pcs. required

Picture of Pcs. required

Step 2: Fin

Picture of Fin
enjoy ya knuckle dasta

check it
Doesn't it hurt to your own knuckles when you punch somebody?
takn37 (author)  sandroknexmaster2 years ago
yes it sqeezes your knuckles but hurts the opponent