Related Clues:

• Gravity-driven vehicle
• Iditarod necessity
• Vehicle on 30-Across
• Sledge
• Word before or after dog
• Toboggan's kin
• Wooden coaster
• Follower of dogs
• It moves on a large white bed
• Key to Kane's life
• Downhill racer?
• Rosebud was one
• ___ dog
• ''Citizen Kane'' prop
• Flexible Flyer, memorably