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The Pitch Grinder, by Dwarfcraft Devices, degrades an input signal into a lo-fi 8-bit signal before applying it to a sequence of eight user-configurable tones. This makes the pedal an ideal means of creating understated lo-fi arpeggios. The pedal boasts per-stage control knobs, affording users the ability to select discreet shifts in their guitar signal in the range of one octave below or two octaves above. The number of stages strung together is determined by the length control, which can select anywhere from one to eight.