They offer insight to many social situations- what to do in restaurants malls, in highly stressed environments- they teach you to look for escape routes or exits from public buildings. The proper use, training,cleaning ,draw skills. How to handle high stress situations is something we must be taught and familiar with! Plus offer special umbrella type insurance should you or anyone become injured or property damage, including attorney representation as a result of incident which transpires. They help me hold my head a little higher knowing and utilizing these tactical safety precautions.