Used to have a cobra driving iron, which i snapped in half during a drive. Scary feeling following through with just a grip and a piece of shaft sticking out automatically going towards your neck.
After that one I had a mizuno mp33 2 iron which I loved as well, I should never have sold that set..
It's not advisable for me to play one these days, and I hit my 3 iron 210 220 yards anyway, which negates the need for one..
On a different note, I've got the shanks