Assertion: disc | /r/HasAspect | spot
Facets:
value: for a coin
type: OTHER
value: to increase the friction
type: PURPOSE
value: on the face of the disc
type: LOCATION
Source sentences:
text: For this reason, most flexi discs had a spot on the face of the disc for a coin, or other small, flat, weighted object to increase the friction with the turntable surface and enforce consistent rotation.