The best way to demonstrate it (and how to build it) is with a video.
This staircase is designed to open long enough for you to walk through it, then close automatically behind you. You can also use it for traps and it is easily expandable. If you have a giant staircase in your castle, you can make the entire thing retract to reveal void or lava.
This staircase is designed to open long enough for you to walk through it, then close automatically behind you. You can also use it for traps and it is easily expandable. If you have a giant staircase in your castle, you can make the entire thing retract to reveal void or lava.