Much has been made of the fancy blade mode in Metal Gear Rising: Revengeance. It's all about Raiden and his slicey-dicey sword.
But how does it actually work? A few minutes of gameplay tutorial are now making the rounds, via IGN, showing the cyborg ninja himself in action. The watermelon-slicing is a little Fruit Ninja, but slicing a car to pieces seems to be good practice for learning how to take out armies single-handedly.