Please note before purchasing this product that grinding coffee beans by hand is a labor intensive task. Prepare to spend about 15-20 minutes leisurely grinding whole grains. At the same time, using this cast-iron coffee grinder is a pleasure. Switch hands frequently to avoid irritation caused by repetitive motion and the required pressure from fingers, hand, forearm, elbow, and shoulder. I just started turning the handle. After half of the beans have been ground, it is important to regularlyโฆ