They are designed to prevent drivers and passengers from being completely ejected from a vehicle by spreading out their bodies’ energy over their shoulders, chest, and pelvis rein a collision. Cord stopper/ -ends Cord stopper Cord ends heat-shrink tubing Carabiner made of zinc die-cast Scissors Carabiner Carabiner with round swivel https://www2.hamajima.co.jp:443/~mathenet/wiki/index.php?steinclements797685