3.5mm Interface Compact Sustain Pedal Universal Single Pedal for Musical Instruments Portable Roll Up Piano Electronic Keyboard Elctronic Roll Up Drum - Walmart.com
Fs22-pm Usb Single Foot Switch Multifunctional Customized Foot Pedal Mechanical Switch For Images Acquisition Music Game Control - Usb Gadgets - AliExpress
Alesis SP-2 Universal Sustain Pedal | Sweetwater
Using the Korg padKontrol as a sustain pedal (or other functions)
SOUNDDI SP-20 Sustain Pedal Electric Piano Sustain Pedal with 6.5mm Connector Keyboard Musical Instrument Accessories Wholesale | TVCMALL
Amazon.com: Mikinona digital piano sustain pedal keyboard pedal keyboard feet electric piano pedal piano pedals piano foot pedal universal foot pedals USB keypad keyboard instrument non-slip rubber : Musical Instruments
Novation FLkey Mini 25-Key MIDI Keyboard Controller for FL Studio Bundle with 20 Signature Bundle, Sustain Pedal and 4-Port USB 3.0 Hub | Reverb
Amazon.com: Pro MIDI Controller Bundle - Piano Style Weighted USB MIDI Keyboard Controller With Sustain Pedal and Hammer Action Keys – M-Audio Hammer 88 + SP-2 : Musical Instruments
Scythe USB Foot Switch II
Control foot switch - FS-8 USB - SUNS - electric / single pedal / 3 pedals
Amazon.com: Nektar Impact LX88+ | USB MIDI Controller Keyboard DAW Integration and M-Audio SP-2 - Universal Sustain Pedal with Piano Style Action for MIDI Keyboards, Digital Pianos & More : Musical Instruments
DIY PC Footswitch Using a Sustain Pedal - Parts Not Included