Hello I found some videos on youtube about blade sports which they seem to compete in USA and other countries. I find it incredible both skillful and outstanding edge retention. There are alot of nice videos but just look at the chopping 2:30 into this video :You_Rock_.
[video=youtube;LuFKCnzrwNQ]http://www.youtube.com/watch?v=LuFKCnzrwNQ[/video]
[video=youtube;LuFKCnzrwNQ]http://www.youtube.com/watch?v=LuFKCnzrwNQ[/video]