Cow Trainers are used in the stanchion barn where they are connected to an electric fence charger to give cows a slight shock when they hump to evacuate. Cows are soon "trained" and the stanchions stay much cleaner. Straight Bar Without Points, are bar type trainer equipped with Magi-Klip and insulator for shock-free adjusting. Uprights are cadmium plated. Sold in carton of 5.