Dr. Schroetter’s Ultimate Self-Defense

The 80/20 of martial arts:
“Fact: There exists one block that can stop all punches or kicks.
“Why waste time learning hundreds of Martial Art moves to accomplish the same job?Let black belt champion & expert in human biomechanics Dr.
Schroetter show you how the science of human biomechanics has developed a completely different type of block and strike proven to be superior to anything in the Martial Arts today.