Visor Clamp for American Football Helmets
Fits visor with hole size bigger than 4mm, and a thickness of about 2mm. And helmet bar size with a diameter of 5mm.
Can fit slightly bigger and slightly smaller sizes.
Needed materials:
M4 screw
M4 Bolt
M4 Umbraco Key
Instructions:
Thread M4 screw into hole from the Hexagonal indent side. Thread the M4 screw with the clamp in the visor hole. Place m4 bolt in hexagonal hole in another clamp. Put it onto the screw from the opposite side. Screw loosely together. Place clamp with the indent on the helmet bar. Screw until light resistance.