Possible Clues:

• Item sometimes 'lost' in a clothes dryer
• Foot garment; hit
• Hit the darned thing!
• Item of clothing that's also a synonym for "belt"
• One of a pair that often goes missing
• Clothing item that may be used as a puppet
• Fashion no-no with a flip-flop
• Hit something inside your shoe?
• Ankle coverer
• Thing in your dresser that needs a mate