Related Clues:

• Back attack
• It's tied at the altar
• Bowline, for one
• Gordian or slip follower
• Eskimo people
• Two-by-four flaw
• Perplexity
• Tie-up
• Board defect
• Sailor's unit
• Word with Gordian or slip
• Muscle cramp, for one
• Sea mile
• Fleeting muscle problem
• Bad spot for a nail