No, it doesn't cut like a knife, but is powerful enough to bring that ghost out of you with 7,500 volts of current, which though is less than 1 milliamp.

The Shocknife aims at self defense and can give your foe a nerve-racking shock just by activating the button embedded in its grip. You can fix it to 'LOW', 'MED', 'HI', and 'X', depending on the amount of rage you've nourished against your enemy.
Price: $499
Via: gizmodo