Related Clues:

• Granny or half hitch
• Stress result, perhaps
• Bend or hitch
• MacramŽ unit
• Tree feature
• Shoelace tangle
• Possible source of abdominal pain
• Tie it and you're hitched
• Small sandpiper
• Feature of pine paneling
• Peptic disorder
• Shoelace snarl
• See 66-Down
• Cause of aggravation
• Gordius' puzzler