I just wanted to add my 2ยข to the "to chuck or not to chuck" topic of recent debate.
IMO, whichever style of vaping you choose, whether it's mouth-to-lung or direct-to-lung, it should be the one that satisfies you the most. I see nothing wrong with either style, and both have their benefits.
If you enjoy a vaping style that feels the most like smoking an analog, then mouth-to lung (slight to moderate air flow restriction) is probably the way to go. If you enjoy "chucking" huge clouds, th