So you can have a vape, but you can't hit it in certain places, it has to be below a certain THC limit and you have no way of knowing what percentage Cannabis conundrum: Legal isn't always clean, nor illicit dirty Los Angeles Times Flying High: The Do's and Don'ts of Traveling with a THC Vape Dank Vapes, TKO and Other THC Vaping Brands Are Linked to Illnesses, C.D.C. Says The New York Times Flying High: The Do's and Don'ts of Traveling with a THC Vape Understanding Texas Laws on THC Vape Pens The Webb Firm, P.C.