Sifu Bustillo's seminar was really basic. I would advise that if you have the basics down, you might not enjoy it. If you are just entering in, you might enjoy it. The Muay Thai that he showed here in Hawaii was also very basic techniques. If you ever get a chance to attend a seminar of Burt Richardson, go to it. His seminars revolve around teaching training methods vs. Sifu Bustillo's seminar of teaching technique. The seminar wasn't bad in itself, but if you know your basic deflections on his first 5 angles and the box pattern, you probably won't enjoy spending that much on the seminar. His seminar is also not revolved around too much "questions" and "explorations" as showing the techniques.
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Chad
Full Contact Stickfighting Hawaii
http://www.fullcontacthi.com