You know, Dr. Carmichael's masturbation techniques aren't all that bad. Some of them can produce some incredible sensations.
Like this one....
http://advancedmasturbation.com/08.html
This is how I want you to stroke. Except I want you to position your thumbs behind your penis. That way the skin between each thumb and forefinger simulates a pussy lip. Now your hands have created a simulated pussy for you to fuck while you to watch this video
http://www.youtube.com/watch?v=z-eGXVqG3uo&feature=related
Have as much fun as you want, and cum whenever you feel ready. Just make sure you shoot it on the plate and get back here by the time the video ends.