Related Clues:

• "Where's the ___?"
• Gordius' challenge
• Ball of string?
• Bowline or clove hitch
• It may stop a saw
• Granny ___
• ___ Bourguignonne
• Clump of hair
• It might be square
• Cavil
• Square __
• It's tied in church
• Hamburger meat
• Half hitch, for one
• Carpaccio base