You've been using your ego's for some time, have moved into the
variable voltage world and may even have delved into the rebuildable
atomizer world. Well next up in the quest for the best flavour and
vapour is mechanical mods. These mods are for the veterans as they are
unregulated meaning extreme care must be taken when using them. So do
you research, come back and find unparalleled flavour waiting for you.