Perri's Anti Grazing DeviceWe love Perri's Anti Grazing Device because they are great for children on ponies. No more grazing while riding. These strong nylon reins are a great aid for youngsters and are adjustable to fit most animals. No more children's tug o war with hungry ponies! The anti grazing device applies upward pressure on the bit when the pony puts its head down to prevent grazing while being ridden. The rein runs along the ponies mane toward the saddle where it