Glancing up, she saw the way his arms were positioned, and decided to oblige him, ropes snaking their way around his wrists, to pull taut up by the ceiling. It was just high enough to keep him standing straight- while she considered putting him on his toes, he wanted to give him the temptation to thrust, rather than forcing him to endure. It was more fun, that way.
After a few long minutes of kissing and licking at his length, she stood, stepping back to start to undress herself, a slow, sultry thing.