Once upon a time in a galaxy far away there used to be this thing called a "butcher shop." In addition to meat, butchers would usually also have in stock natural sausage casings for people who wanted to make their own sausage at home. Evidently butchers no longer exist, or at least they don't in the DC area. Can anyone suggest a place in DC or its environs where I could walk in, say, "Would you by any chance have any sausage casings for sale?" and not be met with a vacant stare?