Fundamentals of a Jiu Jitsu Renegade
Kurt Osiander has been training Jiu Jitsu longer than some modern Black Belt World Champions have been born
Shut up and train
Kurt is the original BJJ renegade
Learn from one of the most notorious and recognizable Jiu Jitsu coaches in the world
Gain knowledge attained from decades of experience
This is real and effective Jiu Jitsu
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