Related Clues:

• Shift, for one
• Lock partner
• ''The Defense of Fort McHenry'' author
• Musical signature
• Propel a bicycle
• Use an Exercycle
• Foot-operated lever
• Vitally important
• Put a scratch in, as a car's paint job
• Downplay
• Organ piece
• Safe box opener
• Thing on a ring
• Brake, for one
• List of test answers