Drip-Free Wine Bottle

An innovative new drip-free wine bottle design helps keep tablecloths clean. Based on studies of how wine flows over the lip of the bottle, involves cutting a small groove around the bottle’s neck, just below the top. This groove prevents wine droplets from running down the outside of the bottle, causing them instead to follow the rest of the flow into the glass.
https://www.brandeis.edu/now/2017/march/wine-bottle-perlman.html

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