Universal Sustain Foot Pedal Piano-Style with Polarity Switch 1/4" Input Jack for Digital Piano Electronic Keyboard - Walmart.com
Yamaha PSR-E463 Ultra-Premium Keyboard Package with Stand, Sustain Pedal, Headphones, and AC Adapter
Amazon.com: Amazon Basics Digital Piano 88 Key Semi-Weighted Keyboard with Sustain Pedal, Power Supply, 2 Speakers, and Lesson Mode, Black : Musical Instruments