Those do sound difficult if not impossible pawn.
I know you can do them off of ledges so my thought is to somehow air out of the stall.
It may just throw you into transition, I've never tried.
I dread the camera in OG or I would attempt more.
May have a go when my laptop is finally smooth sailing. Making progress.

*So I landed a 360 revert beanplant to backside nose slide.
I challenge someone to do it with a boneless.
You get unintended wacky results like semi-bert slides and fakie plants on skate 2.
*I Still can't do nollie varial kickflip 270 nose slides.