![Amazon.com: DAOK 3-pedal for digital keyboard piano, Three foot pedal unit Compatible for Yamaha P125, P121, P515, P128, DGX670 Electric piano (Black) : Musical Instruments Amazon.com: DAOK 3-pedal for digital keyboard piano, Three foot pedal unit Compatible for Yamaha P125, P121, P515, P128, DGX670 Electric piano (Black) : Musical Instruments](https://m.media-amazon.com/images/I/51og-mNsL7L._AC_UF894,1000_QL80_.jpg)
Amazon.com: DAOK 3-pedal for digital keyboard piano, Three foot pedal unit Compatible for Yamaha P125, P121, P515, P128, DGX670 Electric piano (Black) : Musical Instruments
![How does the Sostenuto (middle) pedal on a grand piano work? See the mechanism inside the piano: - YouTube How does the Sostenuto (middle) pedal on a grand piano work? See the mechanism inside the piano: - YouTube](https://i.ytimg.com/vi/CkYZqGsKRCw/maxresdefault.jpg)
How does the Sostenuto (middle) pedal on a grand piano work? See the mechanism inside the piano: - YouTube
![Amazon.com: DAOK 3-pedal for digital keyboard piano, Three foot pedal unit Compatible for Yamaha P125, P121, P515, P128, DGX670 Electric piano (Black) : Musical Instruments Amazon.com: DAOK 3-pedal for digital keyboard piano, Three foot pedal unit Compatible for Yamaha P125, P121, P515, P128, DGX670 Electric piano (Black) : Musical Instruments](https://m.media-amazon.com/images/I/61Kir8KjbHL.jpg)