Related Clues:

• Flexible Flyers, e.g
• Vehicles without wheels
• Some racing vehicles
• Alaskan transports
• Malamutes' tows
• Goes tirelessly?
• Goes downhill in the winter
• Polar bearers?
• Vehicles like Santa's
• Coasters on white blankets
• Wintertime conveyances for, I guess maybe, LL Cool J
• Goes downhill?
• Vehicles with no-wheel drive
• Bobrun runners
• Dog-powered vehicles