At my dojo, the belt is tied with the middle of the belt in front and then the two end cross over at the back. If you do it correctly, there should be a perfect overlap of the two ends at the back that diverge when they reach the front, with one end under the belt and one end over (where it is then knotted). I couldn't get it right until I continuously and patiently observed my peers. Even then, I am still not 100% sure if I knotted it right, but at least now it looks neat. Yes, it does get quite hot during hot days. Usually, I would just wear a sporting bra under. And yes, my gi always come undone for all of the training my style ensues (hard-contact karate) but I don't mind at all. In fact, I like to 'rough-up' my gi. But now I'm going off on a tangent. Anyway, I think you are right Freddy, because thats exactly what I assumed when people started talking about a 'fortune-cookie' knot. But that's just my intuition.