Related Clues:

• Growl
• Guttural utterance
• React like a threatened dog
• Comb's target
• Traffic jam, e.g.
• Tangled mass
• Wolf's warning
• Freeway problem
• Mongrel's warning
• Tress distress
• Sound of an angry dog
• Cur's warning
• Complicate
• Attack dog's sound
• Problem fixable with a comb