Related Clues:

• Lace up again
• Tighten, perhaps
• Tend a stubborn shoelace
• Bow over?
• Close again, as an envelope
• Use again, as a Ziploc bag
• Close up anew
• A door may do it automatically when it closes
• Fix, as a hitch
• Catch up with again
• Close again, as a jar
• Fix, as laces
• Fix, as a knot
• Caulk again
• Fix, as one's laces