Assertion: crampon's length | /r/CapableOf | allow rolling action
Facets:
value: on a packed snow surface
type: LOCATION
Source sentences:
text: Lateral teeth 90 are positioned forwardly of channel or depression 85 and pivot axle 32 , which is located in channel 85 directly under the ball of the foot of a user; the greater length of lateral teeth 90 allows a rolling action on a packed snow surface and imparts added resistance to side slide.