Beautiful to see the girl wanking herself, fascinated by the conditioning of the male's cock. In fact, after repeated treatment this way, he will only be able to get hard and ejaculate through sounding. He will lose interest and ability to penetrate and ejaculate in a traditional vaginal way. He will just need urethral penetration and stimulation. he will not be much use for conventional penetration, but be a wonderful stimulus to women who can watch and masturbate themselves. in fact many women may derive more pleasure this way .