No, I am not trying to pick on The Duke, just trying to be witty. My point is, cowboys portrayed in western movies were not handling snake bites correctly, and if you are bitten by a snake you should not do things the way you remember them happening in "True Grit." Apparently, tourniquets are a bad idea if you have a snakebite.
Actually, that's good to know. I, for one, would have never been able to put on a tourniquet, cut open the bite and suck the venom out. In fact, if I were to ever be bitten by a snake, the instant heart attack I would suffer from would require the quickest medical attention.