Abstract: A horse training device which is adjustable to fit various sizes of horse heads and neck sizes. The training device includes a generally U-shaped bosal-like member having a forward end and first and second legs extending rearwardly therefrom. A first ring is secured to the rearward ends of the first and second legs. A first U-shaped strap has its lower ends secured to second and third rings secured to the first and second legs respectively. A second strap has one end thereof secured to a cross-member which extends between the first and second legs. The other end of the second strap has a fourth ring member secured thereto. The lower ends of a U-shaped third strap are secured to the fourth ring. A U-shaped fourth strap is connected to the first and third straps and extend around the head of the horse below the ears of the horse.