https://sciencewiki.science/wi....ki/Why_Is_Hook_Lock_
Using Hook Locks to Secure the Contents of Your Van Hook locks are an excellent option to improve the security of your van. They are easy to install and operate independently of your van's primary locking system. Gunnebo Industries (now Crosby) developed the self-locking hook to improve the safety of construction sites. The hooks snap shut under load to stop snatching and falling off overhead lines. Loop Wire Hook Locks These locking hooks with mechanical locks are designed to secure items and accessories. They function with