Related Clues:
- Speaks, with ''up''
- Piano array
- Makeup of a plumbing labyrinth
- Most important steps
- Singer's vocal cords
- Super set
- They have all the answers
- They may be copied for a guest
- Items sometimes locked in a car (oops!)
- Door unlockers
- Custodian's ringful
- They'll open doors for you?
- Ring jinglers
- Lock-openers?
- Hollow cylindrical shapes