Gi Jiujitsu Drilling Techniques Pura Vida Chiang Mai Thailand In this video, “Gi Jiujitsu Drilling Techniques Pura Vida Chiang Mai Thailand”, we did a lot of drills and situational rolling or sparring. As for this gi jiujitsu drilling session, the underhook was the main emphasis.  Underhook, underhook and underhook.  James gave me a new perspective…