Stubborn Cap Horseshoe Grip

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Roommate was having trouble handling a jug of tea. As caps shrink in size, there is less to grasp, making them harder to open. The M3D comes into play with its fantastic Tough Ink (orange heft, specifically, and minimal infill, though thick hollow walls could also work). The larger one was built around a gallon jug of Lipton tea (which is almost the same size as an Ocean Spray bottle's cap). The smaller model was designed around a Source Perrier bottle (a fairly standard 2-liter bottle cap size). Between these two sizes, you should be able to cover most plastic bottles with screw-on caps. If it's slightly bigger or slightly smaller, simply flip the horseshoe and use the long ends like clamps to get a secure grip.