Assertion: black mamba's fang | /r/HasProperty | fixed
Facets:
Source sentences:
text: As with all snakes in the Elapidae family, the Black Mamba’s fangs are both fixed and hollow (earthtouchnews.com).
text: This means that the fangs of the black mamba are front fixed, and they can’t be folded up into the roof of the mouth while they aren’t in use.