Related Clues:
- Sea shell sometimes used as a wind instrument
- Sea-shell whose plural can be spelt with an unexpectedly missing 'e'
- Narrow racing boat
- Turtle topper
- Protective outer case
- Tortoise topper
- Triton’s horn
- Marine shell
- Sea item sold by 39-Down, in a tongue-twister
- Mussels marinara discard
- Son having nightmare sees skeleton
- Hard cover, often?
- Conch, perhaps
- Use artillery for cover
- Oyster's "home"