Strength: The primary function of the webbing is to restrain occupants during a sudden deceleration or impact. The tensile strength of the polyester fibers is a crucial factor, as it determines the webbing's ability to withstand the extreme force without breaking. Cord stopper/ -ends Cord stopper Cord ends heat-shrink tubing https://numberfields.asu.edu/NumberFields/show_user.php?userid=5173156