https://blogfreely.net/nepalba....ss6/why-sliding-door
Using Hook Locks to Secure the Contents of Your Van Hook locks are a great option to increase the security of your van. They're easy to install and work in isolation from the main lock on your van. Gunnebo Industries (now Crosby) developed the self-locking hook to enhance safety on construction sites. These hooks snap shut under load and prevent falling or grabbing onto overhead lines. Loop Wire Hook Locks Secure your accessories and merchandise by using these locking hooks that mate