Im planning on buying your books when I get back to the states in April, but in the meantime I was wondering if you could help me out. When you say a “casa knot” am I correct in assuming that’s just any O1U1 Turks head? I learned tying them “the sailors way” from Mikko Snellman’s videos so I have a pretty good grasp on tying those and the expansion processes to increase them to whatever size, but I want to start learning all these interweaves in them. Thanks I’m enjoying your videos!