It's counterintuitive, but having water on or around your body will suck out the water inside you. That's why the tips of fingers and toes get all wrinkled when soaked.. they are withering with dehydration.
This is from a series called "The Uncomfortable" by Katerina Kamprani. The artist “decided to create and design for all the wrong reasons. The goal is to redesign useful objects making them uncomfortable but usable and maintain the semiotics of the original item. Vindictive and nasty? Or a helpful study of everyday objects?” Check out chindogu for similar fun.