I just got my package from morebeer today nothing big (12oz hops, 3 lbs grain, 3 lbs DME, 6lbs LME) and the grains are unmilled. I dont have a grain mill. I was wondering if i could put them in a freezer bag or two and smash em up with a rolling pin? usually I get my ingredients from my LHBS and the grains are the exact amount and milled when i buy them. Is there a way to "mill" these without a grain mill? The amounts of grains i need to mill are 12oz chocolate, 8 oz roasted barley, and 12 oz caravienne. Thanks for the help.