I've had (sometimes still) the same issues.
My warm up session before a round always starts with basic motion, going on to aquired motion and longer and longer hits with my pitching wedge, concentrating on delivery line and lag pressure. This gives me a good feel for lag pressure and tempo.
I suggest you try the same.
Before I had a tendency to go to the end instead of top, and then throw the lag away too early.
By the way: this place has taken my golf to another galaxy - I love it tooo
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