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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. These mechanical deadlocks operate independently of your vehicle's factory locks, and employ a strong bolt to be connected with a receiver bracket. They provide an increased degree of protection against door peel-back break-ins. They are also a visual deterrent for would-be thieves. They provide a higher level of security Hook locks ca