(Sex on its own can get complicated, and now you're bringing in the element of one person being suspended in midair!) If you just bought a sex swing, or are thinking about purchasing one, know that it's not quite as simple as strapping in and going at it-it takes some finesse to figure out exactly how to use it, and which positions work best for you. Sex swings are alluring in theory, but they can be a little confounding in practice.