Assertion: crutch's cuff | /r/HasProperty | plastic
Facets:
value: usually
type: DEGREE
Source sentences:
text: The cuff is usually aluminum or plastic and created in a half or complete circle shape.
text: Forearm crutches typically are made of metal and have a plastic cuff that fits around the forearm, as well as a hand grip and, on the bottom, a rubber tip.