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!!!

Step 1: Pcs. required

Picture of Pcs. required
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