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The text highlights the prevalence of knife crimes and introduces two key books on knife defense. "Tactical Knife Defense" by Johannes Renninghoff offers practical training methods for survival during knife attacks, while the "SPARTANAT Black Book 'The Knife'" by Mario Nowak provides insights on self-protection and safety measures against knife threats.
The most common weapon is a utility knife or a cheap kitchen knife measuring 10 cm in length. Both are easy to obtain and easy to dispose of. There are 80 crimes committed with a knife every day, some of which are fatal. According to data from the Police Crime Statistics (PKS) for the year 2025, approximately 29,200 crimes were recorded nationwide in which a knife was used as a weapon
While knives have long since become an everyday threat, a study from the Hesse Police Operational Training Program (University of Public Management and Security) shows that targeted training—even just 4 to 5 hours—can significantly increase the chances of survival during a knife attack. But what does effective preparation look like? This is precisely where the new book “Tactical Knife Defense” comes in. The author is Johannes Renninghoff, a renowned former field trainer for the Hesse State Police. Here, he presents a well-researched study with concrete training instructions for practical application.
The book is systematically organized into five training days and covers a broad spectrum—from attacks on first responders to threats in the home. It also examines the legal framework for legitimate self-defense.
HERE is the book “Tactical Knife Defense”available in the SPARTANAT Shop:
We also offer the definitive work on the subject, the SPARTANAT Black Book “The Knife”. It explains the everyday dangers and shows how civilians and law enforcement officers can protect themselves. Mario Nowak is an experienced police officer with a special operations unit (SEK) background. In this book, he shares decades of on-the-street experience with readers and provides answers to key questions: How can we protect ourselves? Is there a way to defend against knife attacks? How should police officers and paramedics respond when a knife is involved? The book on defending against the threat of knives. Plus: The Ten Commandments of Safety. Living mindfully.
The SPARTANAT Black Book “The Knife” is available HERE in the SPARTANAT Shop.
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