Yamaha PSR - F52 Keyboard with Adapter,Stand, Headphone,Sustain Pedal Combo Pack
Amazon.com: ENJOYPRO Sustain Pedal for Yamaha Keyboard, Piano Keyboard Pedal with Polarity Switch for Casio, MIDI, Roland Electronic Keyboards and Digital Pianos, 1/4 Inch Jack : Musical Instruments
Universal Piano-style Sustain Foot Pedal with Polarity Switch Design For Yamaha | eBay