OMG Do you have *any* idea about the process of nerves regenerating after they are cut? You do *not* want to screw with those nerves. Well, you do, but not after they're cut.
We're talking about skin. The medical profession has been grafting skin all over the body for years. And I am talking about the coming new technologies where new body parts will be grown from stem cells
New body parts from stem cells
And, Lol, I caught the build in humor in your post. And I think foreskins should be one of the easier body parts to grow in a lab (but I'm no medical scientist).