Best FriendDeluxe Grazing Muzzlesare recommended by equine health professionals to prevent; as well as treat; laminitis; founder; obesity; colic and other diet-related diseases. The small opening in the bottom allows horses a limited amount of grass; yet unlimited water. Rather than being restricted to a non-grass environment to control intake; horses are free to exercise and socialize as part of the herd. A combination grazing muzzle and breakaway halter all in one; the design utilizes a plastic side-release buckles as it’s breakaway feature. Each Deluxe muzzle comes with a spare buckle that can be easily attached in the field.