Related Clues:

• They go downhill
• Downhill racers
• Bob's vehicles?
• They're supported by runners
• Luges, in essence
• Inuit transports
• Makes tracks, in a way
• Husky hauls
• Bobs, say
• Snow sliders
• Snowmobile precursors
• Toboggans
• Some saucers
• Iditarod transportation
• Wheel-less vehicles