I carry a 26 inch expandable baton with me, but only cause its part of the drop leg holster set up I have. I never pull it out during a game and its purley only for looks.
As for knife kills, usually running two fingers across someones back side or politley tapping them on the shoulder is good enough for me. I know some guys that for the look of it carry the rubber knives cause it adds to the look of things.
"Its only a little bit on fire"