If you've got a secret plan of spending the rest of eternity locked up in a Federal facility someplace, try boarding a plane while carrying this here item. We have precious little information about it, but it's essentially a knife that doubles as a gun. We pointed you to the cellphone gun some time ago. This thing is sort of similar to that, expect that, well, it's a knife. It's called G.R.A.D. It's a .22 RS Knife gun that holds five .22 cal bullets in a revolver type loader. It fires with every pull of the trigger on the handle. And that's pretty much all we know. More →