Related Clues:
- Buckle or button
- Snap a snap on, say
- Connect, as a seat belt
- Fix securely
- Fix, tie
- Fix firmly or join together
- Tie, secure
- Close, secure
- Tie or join together, fix firmly
- Fix to, secure
- Close, make secure
- Speed up enough to make one tight?
- Get a grip on this to accelerate it, perhaps
- Might this speed it up and make it stick?
- Might this perhaps accelerate a 17 across at last