Nylon shioze, polyester habotai and oxford chambray coated with polyvinylchloride are current value-added products because their appearance and hand-touch are similar to those of naturalmembrane.
In order to stay alive, animals need to have keen senses. Fish and some shellfish have sharp eyes. Almost all animals are sensitive to touch. Fish detect movements in the water by means of their lateral lines.
Basically, it's a substrate that can sense the environment really well, just like your own skin, and the whole is to be able to advance robotics and provide them with the sense of touch.
If you can, do it and touch the left side of your tongue, it will sense the touch from the opposite side because evolution never taught the brain to read the sensations on the tongue in that position.