He has long made himself known all over Europe- Peter Weckauf is an outstanding master of modern-day self defence. He developed the SDS-Concept, a system which meets all the demands of an up-to-date system of self defense. It is easy to learn and can be applied by everyone, regardless of their physical condition. Young as it may be, the SDS-Concept is practiced all over Europe- in Sweden, Finland, Switzerland, Germany, Austria, Italy, the Czech republic, Belgium, Poland, Spain, France, Slovakia- and even in Japan! 74