Related Clues:

• A mask, for a 29-Down
• Turn back
• Ford's first, e.g.
• One of ten on a ten-speed
• A motorist may drive in it
• Cyclist's choice
• Clock part
• Transmission part
• Machinery part
• Go backwards
• It may be stowed or shifted
• Shifting choice
• Apparatus
• 2nd or reverse
• Way to go back