Black Mountain   volume roller pedal, 500k (for guitar signals), with tuner out and scope switch (linear-logarithmic

Fender   Tread-Light Wah, effects pedal for guitar or bass

Fender   Tread-Light Volume/Expression, effects pedal for guitar or bass

Boston   volume pedal, mono in and out, 100k potentiometer, for guitar signals

Boston   volume pedal, mono in and out, 20k potentiometer, for line level signals

Boston   volume pedal, stereo in and out, 100k potentiometer, for guitar signals

Boston   volume pedal, stereo in and out, 20k potentiometer, for line level signals