Specialist performs big O inducing maneuver using sex machine

This specialist doctor starts inspecting his female patient with his hands, previous to introducing her to a specially modified sex machine which results in her raging masturbating, during the time that the machine thrusts in and out of her juicy aperture. After that babe reaches a loud, shuddering big O, this guy measures her response to his fuck machine and this guy is as cheerful with the result as this babe is.