Related Clues:

• Is in charge of
• Parallel-parking gear
• Park's neighbor
• Coin part
• Kind of discrimination
• Back-up gear
• Coin-toss call
• ''Call it'' reply, about half of the time
• Car gear
• Invert
• Coin-toss choice
• ''Heads'' side of a coin
• Leaders
• Side Lincoln is on
• Flip result, perhaps