Locks are items that you put in your world and they make it so no one else can build there except for those with access. Most people use it to get a world name and make it so no one else can take it. The Locks are World Lock, Small Lock, Big Lock, and Huge Lock.
When you place a lock you can open it up with your wrench and you can add people to it so people of your choice can build in it and destroy stuff in it. When a Player is Standing on A Area you locked,or have access to,you can either pull them if you're in a controlled area of yours or kick them.When You Have a World Lock,You can Ban People,You Can Add Seperate Locks to Give Access To Certain Areas in your world.