You might find this old newsletter article interesting;
The sexy secret of "one, four, five", https://www.guitartricks.com/forum/thread.php?f=27&t=37751
Have fun!
"It takes a lot of devotion and work, or maybe I should say play, because if you love it, that's what it amounts to. I haven't found any shortcuts, and I've been looking for a long time."
-- Chet Atkins
-- Chet Atkins