Please explain Faux Hybrid!
A Faux Hybrid mod is one that uses a 510 connection and still allows a direct atty-battery connection. Here's a photo of the type, which happens to be a REM:
Another way of defining it would be any 510 connection mod that does not have a 510 center pin in the mod itself.
A
True Hybrid doesn't have much to do with the mod itself, it's in the atty, and it will fit on any properly threaded tube although battery rattle adjustment might be problematic on some of them. Here's a photo of the atty type; it's a Fakir's Mods Troy two and I just ordered one for Christmas. It's not here yet :-(
Note the threads at the bottom perimeter of the atty. Those threads are m20 x 1 (actually, that's pretty standard), and they screw directly into the top of the mod tube after the top cap containing the 510 connection has been removed. They are much safer because the positive and negative contacts are not so close together: horizontally they are separated by the radius of the atty minus the radius of the positive pin; and vertically by whatever distance the pin protrudes from the insulator. Much, much better than the close positive/negative relationship on a 510 connector, where the positive is the center and the negative is the outer edges, and both near the same length. FYI, the disc with the hole in the middle next to the atty is a converter plate that makes the atty work on a 510 connection.