Jeff's Zeitgeist rack shelf, Digitech Whammy visible at top left (red, cut off)
The bright red Digitech Whammy emulates a whammy bar with a foot pedal, allowing the guitarist to shift the pitch by up to 2 octaves up/3 octaves down, without worrying about breaking strings or going out of tune. It also has various harmony modes, and a detuner. Seen on a rack shelf in Jeff's Zeitgeist gear.
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