Assertion: snorkel's mouthpiece | /r/HasProperty | inserted into the user's mouth
Facets:
value: with the bit
type: MANNER
Source sentences:
text: The mouthpiece 31 is then inserted into the user's mouth with the bit 33 retained between his or her teeth and the upper and lower flanges, 36 and 37, of the hood 35 extending over the respective upper and lower lips of the user.