Assertion: squirrel's ankle | /r/CapableOf | turn their paws
Facets:
value: to grip the tree trunk
type: PURPOSE
value: the way around
type: MANNER
Source sentences:
text: Most animals can't climb vertically down head-first, but squirrel's back ankles can rotate 180°, turning their paws all the way around to grip the tree trunk as they descend.