Place this behind any door and be prepared with a video camera.
Welcome, we're available but do not bother us under any circumstances.
You damn kids, go get your own candy this Halloween!
Do not try to do other things except enter and exit through this door.
Remember to hire an architect before designing your own house.
What handicapped ramp? Ordinary people cannot get there either.
There is no back yard anymore, but luckily we have a new fridge.
This is how to open a door, step by step.