Assertion: sea otter | /r/CapableOf | crack open shells
Facets:
value: on their chest
type: LOCATION
Source sentences:
text: Sea otters are known to carry rocks when they dive, to increase their weight when diving, as well as to crack open shells and protective armor, so they can eat the meat inside the shellfish.
text: Sea otters have been known to crack open shells on their chests using rocks as they float on their backs, but they've also been observed using rocks along the shoreline as "anvils" to crack open mussels, clams and crabs.
text: They usually lie on their back and crack open shells on their chest.