If carring the item just for the heck of it because you like the item for it's conversation piece, or whatever reason other than to purposely do harm to someone by or from performing a criminal act, then it is not illegal anymore from what I am reading and hearing. Even to carry it as a tool of self defense is okay .....
§ 2923.24. Possessing criminal tools.
(A) No person shall possess or have under the person's control any substance, device, instrument, or article, with purpose to use it criminally.
not being a criminal under these circumstances mentioned above!