Related Clues:

• Fills with black gunk
• Paving substances
• Prepares for feathering?
• Blackens the road
• Installs, as a driveway
• Salts
• Covers in goo
• Smears
• Pequod's crew, e.g.
• Adds pitch to a roof?
• Prepares to feather
• Readies for feathering
• Paves the way?
• Pavement materials
• Cigarette filter targets