The means at hand are an integral part of the GROM assault combat and naturally fit into the structure of the fighter's melee actions. The defeat of the enemy with a knife is possible at close and medium range of hand-to-hand combat. The exception is throwing a knife from a distance. Hand-to-hand combat and combat with weapons complement each other and form a single combat structure of actions. Knife fighting expands the combat capabilities of a fighter and pushes the boundaries of instinctive actions.Designed for a wide range of people interested in acquiring practical skills and personal safety skills.