be upset and hard to undo, you tie a single knot like you originally learned.
the process: most of us reading this can speak from experience that single knots can be easily undone. therefore, you fuse both the single and double knot together to create a different knot. the video is kind of quick so i will just transcribe the steps in the video.
over and under or under and over. if you prefer, it can be left side over right side and right side over left side.
begin to form your loops for your knot.
loop it through once but instead of tying it down like you normally would when tying your shoes, 