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@stevieblues give this exercise a try:
Plant your fretting fingers where they need to be (chord formation or whatever notes you are wanting to play)
Place your picking fingers on the strings. Start with your thumb on D string, index on G string, middle on B string, and ring on high e string. If you have nails, make sure the nails are on the strings and ready to pluck.
Practice plucking all 4 strings at once till you get one good solid chord.
Now pretend your picking hand “wants to stay there” and you have to “peel it off” starting with the D string, then the G, then the B and then the e. So you’re not plucking all 4 strings at once, just peeling your hand off the strings in one rolling motion.