get mini stereos stick em in ur helmet download em
and have the long @$$ wire connect to like ur wrist where a zune/ipod thingy would be and press to play the noise
lmao
i just thought this at the top of my head, so dont go "thats improbable and illogical, and it wont work" because i know it wont
if it does then id hate to see what happens when i actually put thought into it lol