Assertion: box crab | /r/CapableOf | push sharp back edge
Facets:
value: into the sand
type: TRANSITIVE-OBJECT
Source sentences:
text: Box crabs are efficient burrowers and dig into the sand rapidly:Â alternating, they push the sharp back edge and sides of the carapace down and backward into the sand, then shove the flattened claws forward against the sand.