Inform the TSA officer if your instrument requires special care and handling
In January 2020 the administration ruled that the sale of any flavored, cartridge-based electronic nicotine systems (ENDS), other than tobacco and menthol flavors, would be prohibited (Enforcement Priorities for Electronic Nicotine Delivery System (ENDS) and Other Deemed Products on the Market Without Premarket Authorization)
Regardless of which group you find yourself in, there are definite advantages to the shorter smoke
Neuronal nicotinic receptors in synaptic functions in humans and rats: physiological and clinical relevance
For both the 302 and 303, its worth seeking out the early-issue mouthpiece versions (pre-1990), some being quite short and some longer, but all possessing the wide saddle and the Comfort P-Lip
But it is a different kind of buzz than a cigarette or cannabis high