I for one would never discount the valueable psychological affect a bit of grog can offer in a tight spot.

I can tell you that from my own experiences outdoors, a sip or two from a flask at the end of a long day slogging along a trail warms the very soul, and can make dark places a bit merrier for all.

But, as far as it being a multi tasker, I'm not sure.. Granted, any high proof 80+ liquid cold be used in a pinch to clean a wound, or knife etc. But drinking everclear, or pure grain alcohol just isn't too appealing to me. I'm a bourbon man myself..