Assertion: crack | /r/HasProperty | wide
Facets:
value: to jam
type: PURPOSE
value: for a single limb
type: OTHER
Source sentences:
text: For example, some cracks are just wide enough that they can be jammed with an open hand.
text: When the crack is too wide for a single limb to jam, climbers use a technique known as "stacking": both hands or both feet are placed inside the crack, pressed against each other.
text: For example, if the crack is too wide for a fist jam, the climber may press a closed fist against one wall and an open hand upon the other in order to span the width of the crack.:p.
text: If the crack is in a horizontal surface, such as a floor or slab, is it wide enough to present a tripping hazard?