Related Clues:

• Neighbor of the larynx
• Scuba gear
• Airway
• Inner tube?
• Do some shoal searching?
• Do some shoal-searching
• Diving gear
• Windpipe
• Submarine ventilation device
• Diver's device
• View coral reefs, maybe
• It's closed by the epiglottis
• Bronchoscopist's view
• Choking spot
• Face-mask attachment