
I have owned this grinder since September 2011 and it is without a doubt much more reliable than other reviews and photos you can think of. I have ground over 4500 tablespoons of coffee (1500+ single grinds). I've included an image to show you that not all waves are bad and this can be partly due to operator error. I won't go into why it's so great as other reviewers have. I will tell you how not to remove the head on shank.1. Hold the handle and the grinder body when grinding.2. Don't let the handle swing up and down as you chop. Remember it is detachable so you need to keep the stock/barrel and grip in line.3. Slower. You just grind a few tablespoons of coffee, it's not a race. Keep your arms and hands in a flat circular motion. In other words, don't let your hands move up and down in relation to each other as you grind. Think of it as using a flat bushing on a chamfered nut. Applying constant, strong pressure will work every time. If you wiggle, you'll tear off the head of the screw. It's never fun. Now you can complain about the design, but just use it with care and you will have YEARS of absolutely reliable service from this grinder. Look how much grind I got out of it.

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