me being a nosey can't that I am have read load's on this. spend hours and hours on Google but I'm not no wiser for it. got as far as gods banker, 3 degree's grand poo bar etc. but I do know to get an invite you are supposed to be a right and proper person, a believer in god and that they do a lot for charity.
I know a few but they won't speak about it. they also won't deny being a mason.