Related Clues:

• Attach, perhaps with hardware that begins the answers to starred clues
• Attach, as postage
• "___ your seatbelts"
• Glue on, maybe
• 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