Related Clues:

• Steed stopper
• Equine check
• Opener, of a sort
• Equestrian's grip
• Contrast or volume, on an old TV
• Horse strap
• Equestrian's brake
• Rider's handful
• Door protrusion
• Restraining influence
• Restriction
• Leather strap
• Radio tuner
• Door attachment
• It may stop some horseplay