I just found this in my email, and thought it was so funny, I just had to share. http://www.dietfork.com/
Yes, the fork designed to be so inefficient and uncomfortable that it forces its user to eat more slowly!
Somehow, I don't think that this is going to do the trick. If someone wants to overeat, they are going to do so. They'll learn how to pile it in even with the amazing diet fork, or they will simply toss it and get a more standard version or perhaps just use their fingers.
But at least people who do so will be able to blame their wonderous new fork for not living up to its claims.