Red Panda Particle 2 Granular Delay & Pitch Shifter Pedal
Guitar Pedal X - GPX Blog - Electro-Harmonix's Intelligent Harmony Machine delivers a Neater and Smarter Harmonizer with Classic Pitchfork style Pitch- Shifting onboard too
Guitar Pedal X - GPX Blog - Preferred Pitch-Shifter, Octaver and Harmonizer Pedal Selection