How to Tie Your Dou-Himo, Properly
Having your dou-himo come undone during practice is not only a hassle, but it also disturbs the flow of geiko. Knowing how to tie your dou-himo properly can greatly reduce the odds of it coming undone.
Here's a link to a TED Talk describing the strong vs. weak forms of a knot. • How to tie your shoes | Terry Moore
Standard dojo etiquette disclaimer: If your sensei teaches you a different way, please follow your sensei's instructions.