Related Clues:

• They roll on a Rolls
• Auto
• Automobile
• Horseless carriage
• British radials
• Rolls radials
• They may go flat outside a flat
• MG or Rolls wheels
• Brit's radials
• Radials, in Britain
• Vehicle
• Road vehicle
• One gets so weary of having them on 9 down
• Rolls rollers
• Banger and second 22 across mashed