ADVERTISEMENTThis is the moment of shame, and we’ve all been there, whether we acknowledge it or not. You would like to think of yourself as a purist, an expert on ultralight backpacking or fastpacking or just fitting everything inside your pack. You are calculating calories per ounce of certain foods to determine which will be the most effective for your trip. You are cutting extra straps off, removing zipper pulls, doing everything you can to cut your pack weight. Then you throw a flask of whiskey in the top of the pack (what are we, savages?