Function of piano pedals.
Understanding The Sostenuto Pedal: Tips To Improve Piano Pedalling – Millers Music
Strong Compatibility: A polarity switch is designed on the side of the pedal, with 1/4″ (6.35mm) Jack Input, which has strong compatibility, suitable
Donner Piano Sustain Pedal, Keyboard Sustain Pedal for Digital Piano Electronic Keyboard MIDI Synthesizer, Sturdy Durable, with Polarity Switch, 1/4
Piano pedals - Wikipedia
Piano Pedals: What Do They Do and How to Use Them
What do the pedals do? :: Chamberlain Pianos
What do the Pedals on Pianos do? - Riverside Music Studios
How Many Pedals Does A Piano Have (& What Do They Do?)
File:Piano 3 pedals.jpg - Wikipedia
Steinway Grand Piano Pedals