Assertion: collared peccary's canine teeth | /r/CapableOf | maintain sharp edge
Facets:
value: by rubbing against the lower canines
type: MANNER
Source sentences:
text: The upper canine teeth form short, sharp tusks that are directed downward (unlike those of Old World pigs, which grow outward and upward), and maintain a sharp edge by rubbing against the lower canines.