Now this is friggin’ cool. It’s called a WASP knife. When you stab someone with it, it injects a blast of compressed gas into them, instantly freezing and exploding their internal organs.

Apparently it was designed to assist hunters and divers to take down large animals quickly. I guess authorities are already worried about these things falling into the hands of whackos who might want to use them on their fellow man.

Here’s a video of one in action. Just imagine if that watermelon was your stomach.

If you want to buy one, check out their site. Only $379.95!