Related Clues:

• React like a threatened dog
• Comb's target
• Traffic jam, e.g.
• An angry dog might do it
• Tangled mass
• Wolf's warning
• A kind of knot
• Freeway problem
• Mongrel's warning
• Tress distress
• Cur's warning
• Complicate
• Problem fixable with a comb
• Make a snarling sound
• Become entangled