The knife is one of the most important outdoor tools. It is indispensable, especially in emergency situations. Johannes Vogel, one of Germany's leading survival experts, explains how to use it optimally. Through numerous illustrated instructions and practical examples, he clarifies the professional handling of the blade. This way, one can manage in a serious situation, even if the rest of the equipment is lost, and secure their survival. However, many tips will also be helpful for a regular camping trip, making the outdoor experience more enjoyable.