Milk Bar Self Feeder is the easy way to give milk to goats/lambs that don’t require hand-feeding. Exclusive nipple design slows down gulping which prevents choking and also promotes salivation, which is essential for proper digestion and stomach development.Durable pink poly container features patented E-Z lock mounting bracket which will fit any rail width from wire up to 2.5 inches, will lock in place, yet is easily removed with a light touch of the catch.gravity-flow nipples require no valves or tubes. Holds about 9 gallons.