How to Create a lock for a door in Minecraft

In Minecraft, it's not just about making the building and leaving everything else open to the various creatures of the night to just waltz right in! You're going to need to make a door! But once you have it installed, what if they decided they wanted to open it? In this video you'll learn how to make a button that will allow you to lock the door and only be able to open it by pressing the switch!