Assertion: piano's leg | /r/ObjectUse | used in fender steel pedal guitars
Facets:
Source sentences:
text: In 1970, the 73-note Stage Piano was introduced as a lighter and more portable alternative to the existing two-piece style, featuring four detachable legs (used in Fender steel pedal guitars), a sustain pedal derived from a Rogers hi-hat stand and a single output jack.