Related Clues:
- Old writer is generally accessible
- Nonmonogamous, in a way
- Serving customers
- Unguarded ring, enclosure
- Old writer accessible to all
- Play before the headlining band
- 'I'm ___!' ('Pass it to me!')
- Don't lock a jar
- Word with season or mind
- Begin to use file, for example, starting off prison escape nicely
- Lead-in to "sesame" or "secret"
- Suitable for all ages, as a movie
- Inviting store sign
- Like an unenclosed floor plan
- Word on a shop sign