Related Clues:

• See 6 Across
• Obstacle to progress
• Wreckers do this
• Pull along the ground
• Word with race or queen
• Pull ... or puff
• Move with a mouse
• Search a river-bed
• Job for AAA
• Move a Mercury, maybe
• Bring back to the shop, in a way
• Main __
• Smoker's puff
• Concept in aerodynamics
• Pull from behind