Related Clues:

• Rider's grip
• Guide strap
• Horse controller
• Hold your horses
• Equestrian's strap
• It's often controlling
• Sulky strap
• Tack room item
• Means of restraint
• Check, with 'in'
• Cayuse accessory
• It pulls a bit
• "__ Your Enthusiasm" (Larry David sitcom)
• Cayuse checker
• It comes straight from the horse's mouth