Quick answer: Face-on: at impact the lead wrist is cupped and the shaft leans away from the target; the hands arrive behind the clubhead.
What it does to the ball
Dynamic loft through the roof: a high, short ball, with alternating thins and fats because the low point sits behind the ball.
Root causes (by frequency)
The instinct to lift the ball into the air
Weight hanging back at impact
A prior loss of lag (casting)
How to fix it
Hands ahead of the clubhead at impact: flat lead wrist and a divot after the ball
Drills that fix it
Impact bag · 10 min · 15 reps
Groove the impact position with the hands ahead Strike an impact bag (or a big rolled-up towel) and stop at contact: shaft leaning toward the target, lead wrist flat and weight on the lead foot. Hold for 2 seconds and check the picture. Alternate 3 hits into the bag and 3 real balls.
9 o'clock punch · 15 min · 20 reps
Compress the ball with the hands ahead With a 9-iron, hit half-backswing shots finishing low, hands ahead and the flight one window lower than normal. The ball should come out low and compressed. String ten in a row before lengthening the swing.
Frequently asked questions
What is "Scooping (wrist flip at impact)" in the golf swing?
Face-on: at impact the lead wrist is cupped and the shaft leans away from the target; the hands arrive behind the clubhead.
What does scooping (wrist flip at impact) do to the ball?
Dynamic loft through the roof: a high, short ball, with alternating thins and fats because the low point sits behind the ball.
How do you fix scooping (wrist flip at impact)?
Hands ahead of the clubhead at impact: flat lead wrist and a divot after the ball