Get the book "Play Great Pool" by Mark Wilson. He describes the fundamentals of the stroke in great detail and offers practice drills. He also prescribes the eye movement you should be performing during your practice strokes and your shot. There are also chapters on the mental aspects of the game.
For WW (the original poster):
I unhesitatingly
guarantee that this *free* hour with Mark Wilson will answer every question you have, plus ones you might never have thought of asking:
"At the 2020 Derby City Classic, Accu-Stats and Derby City Classic attendees were treated to a special treat - an hour long pool clinic by Mark Wilson! Mark focuses on approach, timing, stroke, aiming, and many other overlooked fundamentals. This is a lesson that will surely improve your game, whether you are a beginner or a well-seasoned player looking to get back to the basics." (quoting their perfect intro to this invaluable video-ed advice)
Part 1: https://www.youtube.com/watch?v=DhDc9o9iy4o
Pert 2: https://youtu.be/9XW2hg3FTu4
Part 3: https://youtu.be/ik_m4OYKfo8
Click each link in turn, to watch the collective one-hour lesson. Best hour you'll ever spend on improving your game. It's totally transformative when applied to your playing no matter what skill level you're presently at.
Arnaldo ~ Mark's knowledge, teaching abilities and smooth, unique presentational manner are astonishingly effective. His book was a Limited Edition and is currently unavailable. Used ones do turn up occasionally, at sky-high prices.
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