These apexes are uniformly put but asymmetrical in shape, with a single steep edge the spring-loaded pawl grabs. When tightening the ratchet, the threaded strap rolls within the axle. This motion shortens and tightens the strap over the load. Axle Straps are fastened around the car or truck's axle https://fernandowhryh.full-design.com/little-known-facts-about-car-hauling-tie-down-straps-75120375