Related Clues:
- Word with ''knob'' or ''mat''
- Entrance blocker, often
- Open it to come in
- Word with "nob"or "at22
- Word with trap or revolving
- A bugle, for one
- Welcome mat site
- Tuba or trumpet
- Traffic jam noise-maker
- Sound that signifies the end of a basketball game
- "Dinah, blow your ___!"
- Semi warning
- Opener dropped on one, relieved initially
- It may be heard on the street
- Cubicle's lack