1. There's a strong form and a weak form of this knot, 2. This is a stronger knot. It will come untied less often. 3. And when a number of filaments come together in a knot, 4. And if you pull the cords under the knot, 5. If you pull the strands at the base of the knot, 6. We get this, the strong form of the knot. 7. Of a million and a half hand-tied knots - 8. There it is: the strong form of the shoe knot. 9. Because hand-tied knots 10. That's the weak form of the knot.
