I'm glad you like it! I was a bit worried that nobody would get it, since when I showed it to my brother he couldn't figure it out at all.
Ka, the reason it came out so well is because I draw them on a grid. I learned how to do them when I got
this book out from the library last summer. I started out just making the ones in the book, and then started designing my own about 6 or 7 months ago. In fact, I'm in the process of designing a pendant with a similar knot on it for my jewelry making class, but that's another story...