Related Clues:

• It may cause spills on hills
• ''The Call of the Wild'' vehicle
• Dog attachment
• Malamute's burden
• Treaded transport
• Winter conveyance
• Gravity-driven vehicle
• Iditarod necessity
• Vehicle on 30-Across
• Sledge
• Word before or after dog
• Canadian craft
• Toboggan's kin
• Wooden coaster
• Follower of dogs