The term BRIDLE PART refers to the components of a bridle, which is a piece of horse tack used to direct and control a horse. The crossword solutions for this term are REINS (5 letters), REIN (4 letters), STRAP (5 letters), BIT (3 letters), BITS (4 letters), and HEADSTALL (9 letters). The REINS are the long straps that are held by the rider and attached to the BIT in the horse's mouth. The REIN is a single STRAP that is attached to the BIT. The STRAP is a band of leather or other material that goes around the horse's head and is used to attach the BIT to the headstall. The BIT is a metal bar with a curved end that fits into the horse's mouth. BITS can come in various shapes and sizes. The headstall is a band of leather or other material that goes around the horse's head and is used to attach the BIT and REINS to the bridle.