That and others like it are fun to watch. Lots of folk have no idea just how maneuverable their bike really is.
I'm not near him, but I keep striving to improve. This year I will take mine to a ridelikeapro course. And maybe one of the advanced rider MSF courses as well. Never done to former, been a while since I've done the latter, and never with the Harley.
I've seen this before and it never fails to impress. He handles the speed of the bike in the tight turns so well it's mind-boggling. Something to strive for.