Welcome to OPEN MAT - todays episode will be a slight deviation from the norm. We welcome back Chris Martin of JiuJitsuInsurance.com and discuss the Jack Greener case that has caught the attention of the entire BJJ community. We clear up some misconceptions about the case, discuss Rener's expert testimony, and we discuss what Jiu Jitsu schools need to be doing when it comes to insurance and protecting their business and students. 

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