You’d better watch yo back. I got a cane and I’m not afraid to use it.

Amazon.com: Cane for Self-defense DVD: Gordon Oster, Sang H. Kim: Movies & TV.

Yes.  It really does exist.  Yes.  It seems like it would be kind of amazing in a Neopolitan Dynamite sort of way.  Am I going to buy it?  Maybe.  Be prepared.