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How to Install Hook Locks For Vans There are many ways to increase the security of your van. Hook locks are one of the best ways to improve security. Mechanical deadlocks operate independently of the factory lock and use an incredibly strong nut to connect the receiver bracket. They offer a higher level of protection against break-ins that involve peeling back doors. They also serve as a visual deterrent for potential thieves. They provide a higher level of security Hook locks can be an addi