Learning how to wick your coil builds is something you will eventually have to do if you want to experience the unbeatable flavor rebuildable atomizers have to offer. Although there is a small learning curve, don’t worry! It’s pretty simple and once you’ve done it a couple times, you will feel you’ve been doing it your entire life. The most important variable is the density of your cotton. You want the cotton to fit snugly against the coil.