On the other hand, a bottle that can hold more water will also be larger and heavier. If you'll be bringing your bottle in the car, you'll want to make sure it can fit in the built-in cupholder.

It’s a brilliantly simple way to open a water bottle with one hand. Think of it as the minimum viable project for assistive technologies, and a brilliant use of a few 3D printed parts and some ...

Hand pumps or foot pumps are fine Something that can hold the bottle, neck down, at an angle to the ground – the handle of a garden fork works well but branches, bits of wood or plant pots will ...