Inexpensive version of the rotor head mount that doesn't need any hole in the helmet and fits in standard GoPro mounts. It works great and can even look very professional. Few people have actually asked me where I bought it. The version you see in the picture and used in the videos is my first attempt. It can definitely be improved. Stuff you'll need: - 1 x aluminium tube (16mm diameter - 1m long) - 1 x caster (remove the wheel) - 1 x aluminium angle (2mm thickness) - few screws, bolts, nuts, washers... - drill and saw tools How-To: - I chose the smallest caster I cou...