That is undeniably and amazingly skilful. Say what you like about him maybe injuring himself, isn't it nice to see a young man taking his natural need for challenges and excitement back to himself and developing such a skill, rather than going out looking to mess up other people's lives? After the recent article about people mugging for kicks, something anyone who's lived in a rough area will know is behind a lot of urban mayhem, surely this sort of thing is to be encouraged.