German educational film: instructional film on boxing techniques

This instructional film teaches young men how to box. The film features an adult trainer and several young (adolescent and pre-adolescent) boys practicing boxing techniques. They are in a gym and at times in a boxing ring. Intertitles in Boxen der Jugend 8: Gewhonung an finten Dopplestobe zum kinn und zum korper und umgekehrt. Translation: Practicing the art of the 'fake' or the 'dodge' Doublehook to the chin and the body and reverse hook.