Single Knuckle Duster
thingiverse
A compact self-defense tool featuring a solitary knuckle-shaped impact surface attached to a sturdy strap, complete with a convenient loop for easy attachment to the user's wrist or belt.
Download Model from thingiverse
With this file you will be able to print Single Knuckle Duster with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Single Knuckle Duster.