Use USB Pedals to control MainStage
Is it possible to map USB pedals to do different controls? I was thinking about purchasing this three pedal gaming setup to control mainstage, but can't figure it out. http://www.tinydeal.com/Robust-Design-USB-Foot-Switch-with-Three-Pedals-Addition al-Hand
MainStage, OS X Mountain Lion (10.8.4), MainStage 3