USB Foot Control Pedal proCam mircoCam Video Camera Streaming Surgery
FS1-074 PCsensor Single Pedal Foot Switch for dental
Novation Launchkey 37-Key MK3 USB MIDI Keyboard Controller Bundle with Monitor Headphones, Sustain Pedal and MIDI Cable - Walmart.com
Amazon.com: Donner Sustain Pedal, Keyboard Piano Pedal Universal Damper Foot Pedal for Digital Piano MIDI Keyboard Electronic Organ Synthesizer, With Polarity Switch, 1/4 Inch Jack, DSP-003 : Musical Instruments
Ripcord USB to 9V DC power cable compatible with the TC Electronic Classic Sustain Effects pedal
Using the Korg padKontrol as a sustain pedal (or other functions)
Amazon.com: USB Foot Switch Pedal,USB Single Foot Pedal Switch Control,Customized Programmable Keyboard Mouse Game Action Single Foot Switch Pedal with USB A Interface : Electronics
Novation Launchkey MK3 25 Mini-Key Keyboard w/ Sustain Pedal and USB Hub Bundle - Walmart.com
Amazon.com: USB Foot Pedal, USB Single Foot Switch Game Control, One Key Customized Computer Keyboard, Plug & Play Singal On Off Switch : Musical Instruments
Novation FLkey Mini 25-Key MIDI Keyboard Controller for FL Studio with FL Studio 20 Producer Edition (Boxed), Keyboard Piano Style Sustain Pedal (Black) and 4-Port USB 3.0 Hub Bundle | Reverb
USB Port Foot Switch Keyboard Fast Pedal for Inrico Foot Ptt USB Action Control Keyboard - China Foot Switch, Foot Pedal | Made-in-China.com