Trick behind it….
When you would peel banana from hand after this trick you would see that the entire one piece has already been cut into slices. With the help of this trick you can easily eat banana in pieces after peeling it. Even you can make your friends shock by using this tricks without letting them know about it and let them peel banana themselves. They would see that banana comes into slices just after peeling. And would think of it as you might have performed some magical trick to it.
Image Source: Tips and Tricks