When the street shadow catches up - you already have the answer in your hands. You are not just holding a book. You are holding the key to your own security. This is the final argument, clenched in your palm, when other options have vanished. KUBOTAN. Self-defense on a keychain. This book is not abstract theory. It is a practical survival guide created for the real world: dark alleys, empty parking lots, sudden aggression. We debunk the myth that only a professional fighter can defend themselves. True strength lies in knowledge and the right tool. What will you get by opening this book?- A weapon that is always with you: A detailed guide to the kubotan - the legendary keychain defender that is legal to carry everywhere. From the history of the samurai "yawara" to modern tactical pens.- The anatomy of pain and control: Not just strikes, but precise work on nerve clusters, ligaments, and joints. You will learn to stop an attacker with sharp pain without causing unnecessary injury.- The psychology of invincibility: You will overcome the main enemy - your own stupor and paralysis of will. Learn to act quickly, decisively, and effectively when every second counts.- Legal security: A clear understanding of the line between self-defense and assault. How to use the tool to remain a victim, not a perpetrator.- Step-by-step instructions and detailed illustrations with descriptions: From basic grips to complex combat combinations. Techniques from leading experts (Matsuyama, Hartsel, Southern Narc) adapted for any person. This book is for you if you: - Feel vulnerable returning home at night.- Do not have a physical advantage over a potential aggressor.- Are looking for a legal but reliable method of defense.- Understand that security is your responsibility to yourself and your loved ones.- Want to gain not an illusion of confidence, but real skills. "Kubotan" is not about aggression. It's about choice. You are no longer defenseless. Your determination, multiplied by the knowledge from this book, will become the very lever that turns the situation on a dark street in your favor. Take the first step towards your own safety.