I'd like to modify some QS8 programs to include a wah-wah effect. Ideally, it would be controllable via a footpedal, in imitation of the classic outboard devices. Any qs-forum posters out there have a method for doing so on the QS8? Has anyone tried this on another QS series instrument?

[Before going out a plunking down ~$100 US on a pedal, and having another piece of gear to carry, and a battery to go dead, I thought it best to ask the forum members for their input. Thanks all!]