Related Clues:

• Work on a seam
• Flaw, as in a theory
• Serious flaw
• Clinch, with 'up'
• Make zigzags, maybe
• Mild euphemism
• ___ Van Winkle
• Homophone of so
• Negative space
• Clothing flaw
• Finish (up)
• 'What a nuisance!'
• Darn, as socks
• Follow a pattern?
• Moth's calling card