Related Clues:
- With 21-Across, climb without a rope
- Middle square on a bingo card
- Price of a library card
- Let go without charge
- Liberal or Republican in charge
- Complimentary cover ultimately incorporated into cost
- Available for an appointment
- Let off majority of cold weather, but only just!
- Like much event swag
- Toll to cross river? No charge
- Word in the center bingo square
- Giving reward to introduce run
- Like items in Buy Nothing groups
- Firm even at intervals lacking regulation?
- Like the admission at most Smithsonian museums