Sorry for my english, i m french.
I've problem.
I do dual coil.
When i refill , i close airhole.
When i open airhole, and i vape, it s leaking.
I think i m not wicking very well.
I saw vidéo tutorial but always problem
Can You show me a picture your atomizer with dual coil and How You wick this atomizer

Thx very very lot