How to Mount a LED Headlamp (Miner's Lamp) Light and Rear ...
Aug 11, 2018· Gather parts. 1. Choose a bike helmet to modify. If you're into bicycling, you should already have one. If you have more than one, use the old one, at least first, in case you ruin it. A helmet with a flattish rear end, not a pointed one, will be easiest .