Podcast interview with Smash Gyms Head BJJ Instructor Michael Jen

Big Jiu-jitsu Podcast interviews 4th degree BJJ black belt and head instructor at Smash Gyms, Michael Jen.  Great discussions on his new e-book “The Science of Submission”, decreasing your chances of injury, and the importance of the fundamentals.  Check it out!

http://humungousbjj.podomatic.com/entry/2016-03-30T15_43_47-07_00

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