You want the ball to go down so your follow through should be low. .
Could you elaborate on this? Isn't it the spin that makes the ball break down? And wouldn't this spin be added to by the fingers pulling up behind the ball? And wouldn't a low follow through subtract from this? Low follow through sounds like the old push the ball down idea? I leave the rest of your question to Tx but this sentence puzzles me. Thanks. I should add the follow through doesn't affect the ball obviously and should be a result and unforced imo.