dedicated to the discussion of the chinese internal martial arts of xingyiquan, baguazhang, taijiquan, related arts, and anything else best discussed over a bottle of rum
I know this teacher and once acted as his crash test dummy years ago -- just so I could feel his technique and power. He is Wang Shujin's grandstudent, and the clip was shot in my hometown in central Taiwan.
His fortes are Taiji and Qinna, which are reflected in his Xingyi and Bagua applications.