13K views · 417 reactions | During the Martial Hero Award 2018, Sifu Mark Stas explained how to perform the cutting elbow, which is one of the main weapons in Wing Flow System. Many thanks to Emanuele for this video! and a big thank to my partner and to Martial Hero Award! To see Mark Stas in action with his elbows stay tuned for the action movie, which will be released worldwide this year: “English Dogs” www.englishdogsthefilm.com www.wingflowsystem.com | Wing Flow System | Facebook