You should know how to use it. Stolen from Wirecutter.
By Miguel.GFZ
Semi-retired like Vito Corleone before the heart attack. Consiglieri to J.Kb and AWA. I lived in a Gun Control Paradise: It sucked and got people killed. I do believe that Freedom scares the political elites.
An Israeli bandage can ALSO be used as a tourniquet. I prefer to carry one of these in my fanny pack than a CAT (given the limited space) because it can do double duty.