Related Clues:

• Lumber flaw
• End of a lasso
• Gordius' problem
• Wild West 'necktie'
• Rope expert's favorite radio station?
• Tough problem
• It's a tie
• It takes two people to tie it
• Rope loop
• Sailor's creation
• Rodeo gear
• Tangled mass
• Dangerous loop
• Hangman's concern
• Half hitch or granny