App from DFJJ NRW e.V. – the German professional sports association for Jiu-Jitsu - North Rhine-Westphalia. We have been active as an association for many clubs in North Rhine-Westphalia in Jiu-Jitsu for over 40 years. We are a member of the umbrella association for Budo techniques NW e.V and even one of its founding members. We are responsible for advertising various courses as well as the examination regulations for our members.