Multi-Purpose: Each extender comes with 4 sliding clasps. You can move the slider to determine the extender's prongs or positions to better accommodate differently shaped objects. 4-Branch DesignEach lashing strap consists of 4 small straps, you can adjust the distance of the 4 small straps to better cover the object. And four branches can subject objects to pressure in multiple directions. Anti-Scratch Protect: The surface of the hardened steel hook is wrapped with a thick plastic shell, which can protect your vehicle from scratches. Rubber + NylonThe straps are made of high-quality rubber and wrapped with nylon cloth. Good elasticity, good flexibility, not easy to deform and break. Easy to carry: For daily use or long-distance travel, you can attach the luggage strap directly to your vehicle. It can also be carried in a backpack and does not take up much space.