Piano Pedals: What Are They for and What Do They Do? - La Touche Musicale
What Are Piano Pedals For? - Hoffman Academy Blog
soft pedal - Wiktionary, the free dictionary
OnMusic Dictionary - Term
How to Use the Pedals on a Piano or Keyboard - dummies
Kawai F-30 Triple Pedal with Sostenuto, Soft, and Half-Damper
OnMusic Dictionary - Term
Amazon.com: 3-Pedal For Digital Keyboards Pianos,Three Foot Pedal Unit Compatible With Yamaha P125, P121, P515, DGX670 Electric Digital Pianos : Musical Instruments