How are the three seashells used?

At December 2014, Daniel Waters (one of the screenplay writers of the movie) was asked about the seashells in Demolition Man and gave a decent reply: (warning: graphic language used!) "There's a scene where Stallone has to use a restroom. I'm trying to come up with futuristic things you'd find in there. read more

Sandra Bullock Finally Explains The Three Seashells In 'Demolition Man' It's been a mystery for two decades in the making, but we finally know how the toilet paper substitute from the future works. read more

The Three Seashells are a mysterious set of seashells which have replaced toilet tissue in the 1993 science fiction action film Demolition Man. Online, many fan theories have arisen attempting to explain the function of the shells. read more