Related Clues:
- Contrast or volume, on old TVs
- Radio component
- Turner on a TV
- Cabinet drawer opener
- Part of a stereo player
- Radio dial
- It'll open doors for you
- One who is paid not to be sharp
- Door handle
- Dresser-drawer handle
- Door or drawer doodad
- Means of adjustment
- Radio feature, sometimes
- Tuning device
- Piano repairman, perhaps