How does dry cleaning work?

Dry cleaning is easy: bring your sweaters into a shop, and pick them up a couple days later. But how does dry cleaning work?

Where do missing socks go?

Your sock is traveling through another dimension -- a dimension not only of cotton and polyester, but of laundry detergent. A journey into a wondrous machine whose boundaries are beyond that of imagination. That's the fabric selector dial up ahead. Your sock's next stop: The Twilight Zone.