There is a difference in physics data of nifs so custom mods with collision with freeze on model load. You can generally check physics data against a database and copy the ps4 data in instead.
It would likely be easier to convert a mod for people than have everyone try to set up a conversion...
sadly, discord channel is no more :(
also, tools are no more :(
also videos seem to have been taken down too? did you get censored or did you redact yourself?