Related Clues:

• Clinch, as a victory
• Close, as an envelope
• Barker
• Whiskered circus animal
• Pull
• See 3-Down
• Gum site
• Bewhiskered creature
• Good Housekeeping award
• Fastener
• Act of war?
• Envelope closer
• Make airtight
• Stamp of approval
• Shut (up)