Assertion: diver | /r/CapableOf | hold the mouthpiece
Facets:
value: between the teeth
type: LOCATION
Source sentences:
text: In the case of a full-face mask, the diver may usually breathe through the nose or mouth as preferred, and in the case of a mouth held demand valve, the diver will have to hold the mouthpiece between the teeth and maintain a seal around it with the lips.
text: There is no reduction valve; the diver holds the hose end in his mouth with no demand valve or mouthpiece and allows excess air to spill out between the lips.