I can still remember as a teenager having to bend down and re-tie my shoes multiple times a day, and then in my early 20s I received Ian's hardbound book[1] as a gift, learned this knot, and just like that, I simply never had to do that again. What a gift of time!

[1] https://www.amazon.com/Laces-100s-Ways-Pimp-Kicks/dp/1402752... - it even comes laced with a set of special laces on the front to learn with, that uses the 2 colors his diagrams use.