I've been doing a lot of coil building recently trying to find the best coil for the most vapor. The parallel coil seems to do the trick pretty well. The. Again I've made a few nano coils and twisted coils. I'm just curious as to what are some of the best vaping coils you guys have made. I usually try to stay around .3 ohms with my vtc4's. Any bit of advice you guys can throw my way is appreciated.