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Amazon.com: Donner Piano Sustain Pedal, Keyboard Sustain Pedal for Digital Piano Electronic Keyboard MIDI Synthesizer, Sturdy Durable, with Polarity Switch, 1/4'' (6.35mm) Input Plug, DSP-001 : Musical Instruments
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Amazon.com: Soraco Sustain Pedal Universal for Piano Midi Electronic keyboards with Polarity Switch, 1/4'' Input Plug : Musical Instruments
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Amazon.com: Sustain Pedal for Keyboard - Sovvid Piano Foot Pedal with Polarity Switch for All Brands Electronic Keyboards, MIDI Keyboards, Digital Pianos, Yamaha, Casio, Roland, Korg, Behringer, Moog and More : Musical
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