tech e blog

From afar, it may appear as if this person has a gaping hole in his stomach, but it's just a clever illusion. It consists of a "portable DVD player and LCD under the front of his shirt being fed a live video feed from a camera on his back makes a rather convincing 'gaping hole' effect."

Now I've no idea how long the set of C or D-cell batteries would keep the setup running, but you only really need it to work long enough to win whatever costume contest you enter.