Related Clues:
- Labels on desk mail trays
- Like many streets or traffic
- Having give-and-take
- Like most doors
- A Ford not moving forward -- then back!
- Desk-basket labels
- Model T Ford, on a return trip?
- Like many streets
- Like a pendulum's motion (3 words)
- Like some radios or mirrors (2 words)
- Two-way, as doors
- Desk basket labels
- Involving movement in either direction
- Words on a pair of desk trays
- Two-way, as a door