The Clock Drill
No feel for partial-swing distances around the green.
Set up
Pick a wedge. Hit shots at 7-, 8-, and 9-o'clock backswing lengths.
The reps
5 balls at each length, in shuffled order — never the same length twice in a row. Note the carry distance for each.
How you know it's working
Three repeatable carry distances you can call on under pressure.
Why it works
Blow-up holes often start with having only one greenside gear. Three known distances turns panic into a decision.
The evidence
Broadie's strokes-gained work shows the shots inside 100 yards account for about a third of the amateur-to-good-player gap — and partial wedges are the most common of them. The shuffled ordering is deliberate: random practice schedules beat blocked ones for retention in golf skill studies.
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