Gizmodo:Impressive DIY flame thrower... I recommend the other hand spit out ice... or at least be rigged up to a fire extinguisher. Heheh.
Pyro was never my favorite of the X-Men, but that doesn't mean I'm not excited about this DIY project allowing me to mimic his powers. It's called Prometheus, and it's by far one of the best wrist-mounted flamethrowers I've seen.
Here's the original link.
Hat tip: Clay & Steve