extra rim

What Is The Groove Under A Coffee Cup For?

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So, what exactly does it mean then? According to Ikea’s website, the tiny chip at the bottom is known as a drainage gate “The drainage gates on the underside transport water away that may otherwise accumulate when the mug is upside down in the dishwasher.” What is the plate under the coffee cup called? A … Read more

Why Are Bottom Mugs Concave?

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The mug bottom is often not flat, but either concave or has an extra rim, to reduce the thermal contact with the surface on which a mug is placed These features often leave a characteristic circular stain on the surface. Finally, the handle of a mug keeps the hand away from the hot sides of … Read more