An extra-long straw in a tall glass on the dining table makes it possible to drink without using arms or hands.
The user can only use one arm/hand and he eats with an orthosis (see related tip). If he wants to eat and drink at the same time, he can use a tall glass and straw while his functioning hand is occupied with the orthosis holding his eating utensil.
In Sweden: Varsam, varsam.se (last checked July 2020)
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Varsam sells a variety of styles of tall straws.
This tip is from 2015