I have a Boss PS-5 super shifter. I use it for lots of things. I go pitch down (reference low E sounds like low A) for Baritone stuff(George Jones 'The Race is On", my own stuff "West of Hell"), I use the harmonizer to sound like twin leads, or for this chord shape that I use in cunjunction with a volume pedal to get a very cool accordian sound, I use the Detune to get a low -fi wobble/or chorus sound which is great for open and arpeggiated chords, . The T-arm I use to simulate steel sounds. I can go on and on. For me it works best with other pedals, but it is like a swiss army knife of "freak". Took me a while to get on top of what this thing can do, but it very cool once you spend some time with it. You can find them used -like new for $80 or less.