Roy Harris is showing a basic shrimp escape from the mount which is *highly* effective for either sport BJJ or Sub Grappling, and very narrowly effective in Vale Tudo (unless you're in exactly the right circumstances, you will get pounded as you try it.)
Not exactly true. Use your hands to cover your face, use your hip bump to disrupt the guy, and execute the escape using your knees and elbows. Disrupting their balance really takes the oomph out of the shots. It's getting stuck there that causes problems!
I too hope to see a better vid clip so I can understand what's going on more thoroughly.
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