You can tell what this is about if u can not than u should find some help when u are back from your doctor than u may read this or watch this if u are still here than I guess u want to read this so this is a tutorial ? The first thing to keep in mind is that u can not make a rail turn and go up in the same rail and if u do u will get BURNED TO KINGDOM COME and the rail will go in the wall so yaaaaaaa 🙂 I do not to have my face in a wall I don’t know about u.