Core-pull-protection is a precautionary measure that you can apply to your cylinder locks to protect it from it’s core being pulled out. Core pulling is the most used method by criminals to pull the cylinder out if it’s lock. If you have cylinder locks, you can assemble core-pull-protection to prevent the core from being pulled out. If you don’t have cylinder locks, then you can get a multi-point locking system installed to make your lock much safer.