https://click4r.com/posts/g/18....416957/the-top-hook-
L4V Hook Deadlocks L4V hook deadlocks are an upgrade to side and rear van doors, as well tailgates and cab doors. They are independent of the manufacturer's locking system and secured with a high-security key. Designed specifically to combat attacks using 'peel and take' this product has been independently tested increasing the resistance to 300 percent. It is perfect for couriers with multiple drops or in situations where the driver may forget to lock the vehicle's door. Hook Deadlock A Hook Deadlock i