Progressive Fighting System
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The Progressive Fighting System (PFS) is a form of martial arts which evolved from of Jeet Kune Do. PFS was founded by a Sifu named Paul Vunak in the United States. There are tens of thousands of students all over the world.
PFS is based around the Hubad, a Kali method of coming in at angles, and going from the Wing Chun Chi Sao, fighting on the center line.