Related Clues:

• Hoof product
• Attach securely
• 20-20, say
• Haberdashery buy
• 50-50, say
• What 21-Across 51-Down is
• Have no loose ends?
• Fastening material
• Get even?
• Share first, e.g.
• June gift, perhaps
• No-win situation?
• Even score
• Ascot, e.g.
• Something to file away