Related Clues:

• Treaded things
• Michelin Man makeup
• They have support staffs
• Makeshift swings
• Pit crew gear
• Firestones, e.g.
• Foursome for a Ford
• Pit crew's supply
• Loses interest
• Grows weary of rites
• Like Iris, they fly
• Needs a break
• Rolling set
• Sonata quartet
• An American car has four exhausts