Wing Flow System founder, Sifu Mark Stas in action

“To be yourself in a world that is constantly trying to make you something else is the greatest accomplishment”. Reading and received many comments asking who I am in my videos: So my name is Mark Stas 😅 Music: Eye of the Survivor (cinemagicsound) This channel will bring you videos with HOW TO, why NOT THIS but like that, all about efficient street defence, intelligent martial arts, training tips and so on. Subscribe to this channel: Official website: Official Instagram: