Casio SP34 3-pedal Unit Features: Piano-style 3-pedal unit For Casio PX-S1000 and PX-S3000 Adds sustain, soft, and sostenuto pedal functionality to your digital piano Supports half-damper function

Casio SP-3 PAd Style Sustain Pedal

It's interesting how something as simple as a sustain pedal can completely change your keyboard playing experience. A sustain pedal lets you play more expressively and compose more complex music....