j The concept of the stun gun dates back to the 1930s when cattle prods, designed to move livestock with an electric shock were introduced. These early devices demonstrated the potential of electricity as a means of control and deterrence. As a responsible and safety minded citizen, arming yourself with the knowledge of self-defense tools is always a wise decision. The invention of the stun guns revolutionized safety and self defense tactics and have become one of the most popular self defense tools available today.