Assertion: snorkel's tube | /r/HasProperty | shaped loop
Facets:
value: along its exterior
type: LOCATION
value: preferably
type: DEGREE
Source sentences:
text: 1 , tube 12 is preferably J-shaped and includes a loop 30 along its exterior configured to receive a strap or other portion of a face mask or goggles to secure the face mask or goggles to snorkel 10 .