How to make black powder with a mortar and pestle

In this pyrotechnic video tutorial you'll see how to properly make black powder with a mortar and pestle. This is a good alternative to the ball mill method. If you don't have a mill and want to make black powder for your fireworks and such, you should watch this video. You will need mixing cups, spoons, a mortar and pestle, scale, alcohol, dust mask, KNO3 (potassium nitrate), charcoal and sulfur.