Related Clues:
- They're worn by divers
- (Semi-)underwater breathing apparatus
- Features of many late-1950s cars
- Diver's rubber wear
- Tube needed to be below the surface
- With their aid, start seeing snoek right and left, at sea?
- Breathing tube taking nitrogen and oxygen right through half of body's frame
- Diving attire
- Take the tube to the Serpentine, say?
- Diver's rubber gear
- Sportswear - university cook rejected it
- Use it at sea in extremely low temperature
- Breathing aid man's set up on boat out East
- Diver's garment
- Swimmer's air tube