yup spot on rob.. its a bost board and a small potentiometer at the end of it...
VK4 is a caramel/vanilla tobacco vape.. I've not tried the VK4.. but it's supposed to be quite good.. the VK5.. which is a supposedly a bit...
It is probably prudent to point out that NO case of popcorn lung from vaping has been reported ... the issue was with the compound used in the...
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