They say there are a 1000 uses for a good knife, meaning there’s likely unlimited potential for a batarang knife.  The Icetek Sports Batman Dual Blade Knife fits comfortably in the hand or pocket and easily obliterates villainous tapped boxes and stubborn knots.  The 3.5″ stainless steel batwing blades move independently and can be opened together or separately.  Not bad for less than 10 bucks.

 

If you’d like to break from tradition the knife is also available in purple: