How A Gearhead Tests A $900 Flask

I expect my whiskey flask to do three things: be discreet, provide me with enough liquid courage to get through the day, and shield my heart from an assassin's bullet like on TV. (I have a lot of enemies, you know.) But if you spend $900 on a flask, what guarantee do you have that it's tough and ready for battle?… » 2/27/13 12:53pm 2/27/13 12:53pm