Do you know how to use gas weapons and stun guns? Can you shoot a rifle and a pistol when you are being beaten? How to defend yourself if you are being strangled or not allowed to move, how to resist knives and clubs without weapons. Dr. Mashiro's tutorial gives answers to these questions. He also explains psychological tricks with which you can change the attack situation in your favor. This book is a must-read for people who study or teach self-defense techniques, and those who simply want to survive. The term “black medicine” arose by analogy with the term “black magic.” Just as there is white magic, which deals with good, and black, oriented towards evil, there is white, healing, medicine, and black - medical and anatomical knowledge, which is used to maim and kill: Of course, there will be people who will decide that enough the dark material of this book should not be available to the general public, since it can also be used by criminals. To this I can say that criminals already know this: from their cruel and disgusting experience. Instructions are needed precisely for those whom moral principles do not allow acquire this knowledge in practice. I address this book to those people who will read it with a feeling of fear, disgust and nausea. Someday she may save the life of one of them.