[Fuzz]

Originally Posted by combustiblefuel

Just bought one of these guys.
http://www.loudbicycle.com/

Cool, seams expensive though?
I was thinking something like this:
http://www.dx.com/p/diy-motorcycle-s...5#.VUk3JZNLWao
with a battery and button wired up would do nicely for more of a horn sound.