From the top, swing down slowly until your hands reach the trail thigh, keeping the angle between the lead arm and the shaft; swing back up and repeat twice. On the third pump, hit the ball. The feeling is of holding back, not of force.
Face-on: the wrist-shaft angle opens as soon as the downswing starts; with the lead arm horizontal, the angle to the shaft already exceeds 120 degrees.
Frequently asked questions
What is the "Lag pump" drill for?
Hold the wrist angle on the downswing
How do you do the "Lag pump" drill?
From the top, swing down slowly until your hands reach the trail thigh, keeping the angle between the lead arm and the shaft; swing back up and repeat twice. On the third pump, hit the ball. The feeling is of holding back, not of force.