Calving Head Gate Stanchion - Hi-HogHi Hogs reliable and efficient self catch calving head gate stanchion lets the animal catch itself so you can use your time to work the animal (rather than the head gate). This head gate is included on Hi Hog's calving enclosure and calving trimming chute. Simple, reliable, safe, and efficient self catch head gate stanchion. The calving head gate is a simplified version of Hi Hog's highly regarded self catch squeeze chute head gate. The core mechanics