If you want to rappel down walls like a Navy SEAL, the Swiss seat knot is an essential skill to learn. With it, you can quickly create a modified rappelling harness. The guys at ITS Tactical have got you covered in this video showing how to tie a Swiss seat knot.
ITS Tactical, Inc. is dedicated to showcasing the everyday gear and DIY projects that can help you live better on the tactical side of life. They don't limit their content to any particular viewpoint, rather their goal is to become an open-source collection of different methods, ideas and knowledge that could one day save your life. Search ITS Tactical on WonderHowTo for more videos.