Amazon.com: JOYO Roll Boost & Voodoo Octave Fuzz Pedal for Electric Guitar Most Frequently Combination Budget Pedals in Bundle : Musical Instruments
10 Octave Pedals to Audition - Premier Guitar
EarthQuaker Devices Sunn O))) Life Pedal V3 Distortion/Bendable Analog Octave Up/Booster Effects Pedal Black | Guitar Center
Amazon.com: TC Electronic SUB 'N' UP MINI OCTAVER Compact Version of Hugely Popular Sub 'N' Up Octaver with Advanced Polyponic Octave Engine and TonePrint-Enabled Technology for Easy Custom Effects : Musical Instruments
EarthQuaker Devices Tentacle V2 Analog Octave Up Pedal | Sweetwater
Mu-tron Fuzz Octavider+ Octave-Down, Octave-Up, & Distortion/Fuzz pedal | eBay
Guitar Pedal X - GPX Blog - Mojo Hand FX's Octaverse is a really cool and elegant Reverse Octave Up / Down Delay