What they do is they input sounds with a whip, and edit it.

They make everything look real, yo but Kung Fu hasn't done well in kickboxing matches yo, as well as UFC or Pride matches. Some styles are crazy, like Bruce Lee's Jeet Kune Do, but they combined the Western Boxing Style, and the Judo and Submission Wrestling Style, with Kung Fu. ...

The best way is no way
The best style is no style