This almost subtle nod to Ash's replacement hand is sweet and classy, but with just enough blood that you might hesitate to wear it in non-nerd company. But if you do decide to wear out, be sure to keep your hand in your pocket.
Ever try to slip a camera under a girl's dress? Just think of how much simpler amateur upskirting would be if you could just twist a knob to raise her skirt. Someone just needs to hurry and perfect this tech.
A Japanese erotic game developer just put two and two together to make what could be the first instance of head tracking combined with upskirts in human history.