Any legal information I may post is general information, and is not legal advice. Such information may or may not apply to your specific situation. I am not your attorney unless an attorney-client relationship is separately and privately established.
What about a kabar tdi, the small one?
i don't see a problem with the kabar. Just keep it concealed. a huge portion of us carry a folder and/or a fixed blade. Don't bring anything double edged, or something that looks like a prison shank, and it'll be fine