1:06 compare this to that (taken from a similar angle) kzfaq.info/get/bejne/bc6HY9ybnMXYZ4E.html you can see there's much less up-and-down wrist action/tension and he literally presses the keys down with his fingers (as opposed to slamming them with his wrist/forearm) nowadays. Dude has really transformed his techniques. It must have been a painful journey, but apparently it's worth it. btw, 1:01 looks like he's punching someone lol