The Comfort version of our calving strap has special additional hand- grip loops 50cm out from the ring ends. The strap is 2.5m long overall, allowing it to go around the back of the user. When assisting calving, especially when the cow is lying down, the user can use his or her legs, and the hand grips to assist purchase (only one required). Made from double-layered 25mm webbing with stainless steel D-rings. Only one strap is required.