I'm looking for ideas that could point me to an A7 style rba that would have a bottom air hole and Ego threading and roughly the same diameter. I'm always dropping my rigs and snapping off those wimpy 510 threads. Last night was the final straw when I dropped a Vision Eternity and snapped the threads off
. I've been using the Kanger T2's for about a year now and recently started using an A7 and vision eternity but fear taking them out of the house because of the cheapo 510 threading on them..... I like the bottom air hole opposed to the side for better portability against leaks when tipping it. Any help would be appreciated.