Systema demo by Patrick Baas - Sam Lung Martial Arts at Budo Gala Nijmegen (6)
Patrick Baas, who's a professional business-detective and a Systema and Krav Maga instructor, is the author of the books "Straatwijs, de harde realiteit van het straatvechten" (Streetwise, the cold hard reality of streetfighting) and "Dit is een overval" (This is a robbery). For more information about seminars or work shops, please visit www.samlung.nl