Related Clues:
- Conveyances generally only ridden downward
- Flexible Flyers, e.g
- 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