https://blogfreely.net/sushiwo....od9/whats-the-reason
Is a Van Hook Lock Worth the Investment? A van hook lock is an effective method of increasing the security of your vehicle. Attached to the door or connecting panel, they operate independently from the manufacturers locking mechanism and can be operated with keys that are under the control of the driver. These deadlocks differ from straight bolt deadlocks in that they lock using a hook bolt that catches in the receiver keep. This provides superior vehicle security. High-Security Locks Securi