Anyone who owns a SmokTech RSST will probably agree that it is a really great RBA, but it does have at least one flaw...it leaks. This is something that I've seen online over and over from RSST owners, so I figured it had to be a design issue. I then set out to figure out what the problem was and how to fix it. Well, I figured it out, and the solution is a simple one. The leak occurs because Smoktech decided to go with a hard white plastic insulator where the positive posts passes throug