Related Clues:

• Motown had four of them?
• Leak sealers
• Best-in-class
• Exceeds
• Champagne-bottle seals
• Power strip inserts
• Blush stoppers
• Upper garments
• Wads, of tobacco say
• They go round and don't go back
• One may look back to see the spin they have
• Spark providers
• Port closers
• Tells a funnier joke than
• Does one better than