'Your Hands Are Feet' puts you inside a psychedelic egg yolk
 

Sarah Rothberg is obsessed with the bright-red silicone sponge she bought at Sur La Table. As a sponge, it's worthless -- it's too flimsy to be abrasive, and you can forget about it absorbing liquid -- but when you rub its tiny bristles together the...

https://www.engadget.com/2017/11/07/...et-experience/