Eli5: Why do all my cups and glasses have rims on the bottom that collect water in the dishwasher?
In: Other
Because if we tried to make them flat on the bottom they would always wobble, and they would slide around when there is even just a little moisture and, the clay ones would crack while being fired. But if they have a round rim or “foot” down there they fire nicely and are very stable and strong, and don’t wind up with more sloppy puddles on the bar counter.
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