It takes balls to try The Cartwheel Kick

In the beginning, there was Billy Blanks. An oil baron gathered by karate champions from across the globe and matched them up in Bermuda. Blanks beat Canadian Harold Howard with a Cartwheel kick.
When the UFC debuted, Howard introduced the kick to MMA, albeit in less than spectacular fashion:

The move receeded into the dark recesses of the sport until it emerged late one night, in the mind of Brian Ebersole. Now Ebersole is training a new generation in the lost art of Cartwheel kicking.