Do THC vape pens work? Now you realize a lot more about THC vape pens, the advantages of theirs, and how they work. However, the question remains: will they work? Last but not least, an additional advantage of using THC vape pens is that they're very discreet and much less obvious when smoking than vaping flower. Yes, THC vape pens function perfectly. Nonetheless, the effects generated by a THC...