The main thing about the hexohm was the instant power you got off that board, no regulated mod I have used has matched it in that department, It is just a very clean polished mod but apart from that, it is a cult thing.
I got fed up of checking the batteries to see what voltage they were at, that device would be more than happy to vent your batteries, let you exceed the recommended amps and fire no matter what build you put on it under any load. It had zero safety apart from reverse battery protection. (2.1)
They now sit in my glass display looking pretty