Great question — answering as the UphillTech team:
If your technique has been unsuccessful only once in several thousand times, there can't be a lot wrong with it. Perfection is only a dream for most people. But as drinks, especially hot drinks, are often not served at all during turbulence, I offer the following traveller's tip: Wait until the seat belt lamp has gone out before ordering.
Full answer by Weather Vane: https://travel.stackexchange.com/a/204596 (CC BY-SA 4.0).
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