EarthQuaker Devices Tentacle Analog Octave-up Electric Guitar Effects Pedal PreownedWelcome to All Music Inc's Musicdungeon! Right now, you are looking at a great piece. This is the EarthQuaker Devices Tentacle Octave up pedal! The Tentacle is a classic analog octave up effect. It's the very same octave from their Hoof Reaper pedal. With so many requests to produce it, they just had to make it! You can now add an excellent, swelling octave up to anything your heart desires! You can also hold the flexi switch for momentary operation,