He was a wise man who invented beer — Plato on beer. Beer is a staple around campfires, especially when one is a historical reenactor. And since beer and silk have been walking the same roads for centuries, it is not impossible to think that someone…somewhere…some when…would have experienced the beer on silk phenomenon. Fortunately, this stain is pretty simple to take care of. I’m not at all sure it wouldn’t have just rinsed out with cold water. But, just to be on the safe side, I spot cleaned with Dr. Bronner’s too. So seriously, lager is no challenge for Dr.