Related Clues:

• Damage caused by rubbing is singular blow
• Scratch some flawless cufflinks
• Son put bracelets on, and drag, while walking
• Tense, working to seal one fault
• Shoe woe
• Mark that proves foot-dragging occurred
• Flaw in paragon’s claim?
• Mark by scraping
• Your compiler’s tense about accepting one’s shortcoming
• Mark on a loafer