So, you wanted to make a camera clamp-on for your helmet?well you came to the right place..
the things you will neeeeeeeeeed Are
1. a camera (obviously)!
2.a cheapo peapo bicycle helmet(with air holes
3 . tripod.most places you buy cameras from usually give them for free!
so you have to unscrew the top part of your tripod until it pops out like the photo given.
then you screw your camera on the tripod's "popped out part"
and the final step .. insert your tripod's handle into one of the air holes of you helmet.
and voila! you are ready to record your bicycle memories!