They explain how it works at the end. Didn't understand anything.Think it's something like those peeping chick toys that you touch both brass spots on their bases and they peep. So ya know, it's MajycK.
hmmmm Or it's that everyone likes to unwrap presents. But wrapping the presents is an individual thing. Though by definition, hopefully you are fucked and in the afterglow you don't need help. Just lay there and enjoy/cuddle.