TC Electronic Brainwaves Pitch Shifter[custom_html] Pitch Shifter Pedal with Harmonizer, Doubler, and Octaver Functions, Mash Switch, and Switchable True Buffered Bypass [ custom_html][video]https: www. youtube. com watch? v=R5UYSpfTIdk[ video] Packing untold expression by way of a 4 mode pitch engine and whammy style Mash switch, the TC Electronic Brainwaves stereo pitch shifter harmonizer pedal is your ticket to Hendrician octave effects, Scholzian harmony leads, and Morello ish pitch