Related Clues:

• Line from a hack
• Control device
• Coachman's control
• Affirmed control
• Sidewalk edge
• Equestrian's concern
• Pull back (in)
• Halter attachment
• Street edge
• Connection for a bit
• Checker of a steed
• Carriage driver's need
• Line straight from the horse's mouth?
• Head turner, at times
• Stagecoach line?