Touch typing on the flat surface of a smart device can be somewhat challenging. (newatlas.com)
For about 30 minutes before bed, lay on a flat surface (bed or floor) and put your feet up on another surface a couple feet higher at a 90 degree angle. (wellnessmama.com)
This cushion can be used on a flat surface for sponge baths, in a baby tub, or in an adult tub. (mamanista.com)