On double bell snatches: do you prefer pinky back in back swing, or knuckles or thumb back?

I’d like to be able to accomplish this 5+5 sequence with double beasts by years end. I dunno if that’s actually realistic, so my real goal is 2x44kg. And then shall see.

Racing intelligentsweetiepie to double 44kg snatches (even if he doesn’t know it yet)