Hek Ki Boen (HKB), or "Black Flag" Kungfu, is not just a martial art. It is an integration of art and science, a formidable training of mind and body. At Black Flag Kungfu, we know that "Feeling is Believing", so we invite you to apply for a complimentary trial training period with Suhu John Hackmeyer, who is currently the only HKB certified instructor in North America. If you are looking for a highly effective and practical martial art, you've found it.