Could be to tone down the spitback? Idk. I've never done it.all the youtube vid reviews ive seen on rda's i noticed folks first blow into their rda's a few short fast hits and than vape..why is that?
So you can get a full vape out of it.
I try not to do it in tanks. The tfv is my exception as the coils are vertical. Some of the coil heads/ builds that lay horizontal are thinner gauge and a seemingly gentle push can make them touch the sides and make them short. YMMV. And just don't ever do it in the nautilus my wife found it ruins the coils. (3 coils down the drain) yes she's blonde.
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