Botach Technical is an online provider for all sorts of technical and tactical stuff intended to keep you out of trouble... or maybe get you into it. Anyways, some of it is quite cool, in its own wierd way. Heres their "writing instrument" submission - because, you know, a pen cant be just a pen... (the other end doubles as a stabby thing)



Which is not to be confused with the KZ Defense Pen, slim, and very similar.

from here.