Lately, I have found the design of bottle tops/caps to be a bit of a problem; by some 'twist' of fate (groan), i inevitably end up with milk dribbled down my chin while I am drinking my beverage! Depending on how my mouth closes around the edge of the top, the liquid tends to run down along the threads and down the bottle (or my chin).
So the question I propose is, would it be feasible to design the bottle so that the threads were on the inside, and the top with the threads on the outside? And, why do some bottles dribble more than others?
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