All those apexes are uniformly put but asymmetrical in form, with just one steep edge that the spring-loaded pawl grabs. Although tightening the ratchet, the threaded strap rolls throughout the axle. This movement shortens and tightens the strap through the load. S-hook — with or with no gate — https://gunnererzgn.angelinsblog.com/29416281/the-best-side-of-car-hauling-tie-down-straps