Related Clues:

• See 4-Across
• 'Waiting for Godot' prop
• Magician's prop
• Lens protector
• Upstage
• Haberdashery item
• Upper limit
• Noodle topper
• The end of night?
• Bottle top
• It may rest on a rack
• Highest level
• Millinery sale
• Collection holder
• It might be old