Don't let anything stand in your way of monster scores. Shred with ease with this simple and hella sweet looking Guitar Hero Hack. It all starts with an audio extension cable from your local electronics store. It's really simple to wire this up to your controller, and then to a pedal. I used a trucker's horn, bought at Kragen, as the pedal. For this you're gonna need:
http://www.instructables.com/id/Guitar-Hero-Hacks-Star-Power-Pedal/