Related Clues:

• Calls it a career
• Withdraws
• Quits working
• Knots again
• Turns in
• Stops using
• Fixes a shoelace
• Calls it quits
• Improves the bow
• Goes out of business?
• Stops working
• Fixes one's laces
• Withdraws from active service
• Tightens the wingtips
• Fixes, as a bow