Spinning knee bar. One of Braulio Estima’s favorite technique. Elected the submission of the year in 2013. Slick, Fast, Powerful. To learn this and many more combos follow @braulioestima. ?: @jiujitsubrasiloficial #estimainaction #estimainactiondotcom #graciebarra #braulioestima #kneebar #blackbelt #bjjvideos