There are many ins and outs to vaping – and, by extension, to the e-cig devices we all know and love… and use. One such feature of these devices that’s rarely talked about is their airflow. But why should we bother concentrating any time on the subject, you may ask? Well, because the effectiveness of your device’s airflow will have a direct impact on how large and how satisfying your hit is; indeed, the very quality of your hit…