Related Clues:
- One not 6 of horse slaughterer exchanging article for duck
- Surgery for the listener?
- Aperture for skeleton?
- Nosy one might see through this kind of surgery
- Surgery that's transparent when unoccupied?
- Opening in door etc
- Opening in door - kind of surgery
- Alternative to door bell
- Aperture in lock - kind of surgery
- Door banger
- Door rapper
- Yale's entrance requirement
- Rapper has shrine to leading characters from Easy Riders
- Hinged device on a door
- Sort of surgery that may cover a number of wards