Written by: David Schwartz In this day and age where sport style Tae Kwon Do is so prolific, it may surprise many to learn that there is a whole world of Tae Kwon Do which at its core believes in the principal of strong blocks and a single strike so powerful that a fight would [...]Grandmaster Duk Sung Son is a post from: MMA News Grandmaster Duk Sung SonMMA News

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