Copying this here if it's useful:
Illinois has no laws against the possession of martial arts weapons, or their use for martial arts practice. If you are coming from outside Illinois (driving through other states, for example), other laws may pertain. For those of you flying, martial arts weapons can usually be transported in your checked luggage, but please contact your airline directly for their regulations. Please know the laws and policies regarding your weapons so you don't experience any avoidable delays on your way here!
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