I love to do experiments on My slaves, therefore I've decided to see how can I stretch this one's urethra so I have a new hole to play with. His dick is always hard when I'm around so I had rather high expectations from him. I started with a short sound, with a thin tip and an increasingly thicker body, hoping that My stretching experiment would have good results on the first try. I was very surprised to observe that his always-hard-dick started to shrink and hide, unaccustomed to being penetrated. That was intriguing and even amusing in a way, but still disappointing. I had to make it hard... Show more