• toynbee@lemmy.world
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    6 days ago

    Not sure whether it’s true, exactly, but from my experience with tilting my glasses, they don’t roll across a surface; they do rotate, or rock, but don’t spill unless overfilled.

    I never took mine on a sailboat, nor did I take any others, so I can’t compare. However, I can say round bottomed cups are harder to spill than regular ones.