Related Clues:

• 5-Down features
• Pet parasites
• Bloodsucking insect
• Spa attractions
• Cause of some head-scratching
• A pet collar repels them
• Pediculicide's target
• Large tubs
• Evil intent
• Places to soak
• Canine woes
• Hot Springs offerings
• Head residents?
• Pet problem
• Cause of head-scratching, perhaps