This ProTack grazing muzzle limits the amount of grass intake helping to prevent the risk of obesity and laminitis from over-eating. It has a nylon webbing harness and a rubber base with a hole in the middle for access to grass. It allows the horse to forage and graze naturally, but reduces the amount they can bite each time. Fully adjustable. Velcro Fastening, Field Safe. Inner Padding To Protect The Sensitive Nose Area. Available in black or purple.