Also, once the wicks are nice and wet, and I have the air flow control mostly closed off, I can pull off a nice mouth to lung now. Relieved actually lol. Thats my primary way of vaping. I have found that 90% of my friends when they try any of my e cigs, they pull on it like a joint lmao. I guess either way is right or wrong, just preference. But you def get 50% more flavor with mouth to lung. Especially with a nice narrow thin drip tip like the kayfun comes with. I move that tip around to alot of my devices for the great flavor.