Related Clues:
- Elvis "Do the ___"
- With 54-Down, longtime Long Island home of Theodore Roosevelt
- Proverbially reticent marine mollusc
- Mollusc with tightly-closed shell
- Tight-lipped one
- "On the half shell" bite
- The world, to a go-getter
- Metaphor for reticence
- Seafood in a 'shooter'
- Pasta alle vongole ingredient
- Secretive person set to differ with Roy
- Geoduck or quahog
- Conclusion of narrative in unfolding story, a world of possibilities?
- Item in a shucking contest
- Blabbermouth's opposite