I seldom take massages from masseurs that do not include "Erotic" in their rentmasseur description. (I don't hire masseurfinder guys anymore). When I make the appointment I do not ask for specifics; when the session begins, if the masseur drapes me with a towel, I ask him to remove it. I then make the body moves that tell if I feel for a sensual and erotic finale. Can say, it never fails. One exception though: one of my favorite guys drapes me and uses the towel in what ends up being a sensual and erotic way
Should point out that in my own rentmasseur description I establish that I want my masseur nude, etc... and in making the appointment ask them if they can comply. When that raises the price I bolt.