 And really easy to apply once you have a little training. It's not necessarily intuitive. And there are things you think you know about this that are wrong. For instance, you put it on, then you take it off. No, once you put it on, you're committed. Leave it on until you get to the hospital, period. I don't care how long it is. You don't take it off, ever. You put the tourniquet on, you leave it on.