How does a master key work?
How Does A Master Key Work? A master key system uses a hierarchy of keys and locks to provide access control. Each lock is fitted with a unique key, but a master key can open multiple locks within the system. The master key works by aligning specific pins within the locks, allowing it to override individual keys and access all designated areas.
Visit here: https://www.fortlocksmith.com/master-key-system/?utm_source=Forum&utm_medium=promotions&utm_campaign=Omefyi
1
vote
Fort Locksmith
shared this idea