Fix your driver slice with the prop drill
The prop drill targets slicers who come over the top and chop down on the ball. By propping yourself so your lower body stays underneath your upper body instead of letting it pop out ahead, you avoid the 'slice tilt' swing that sends the ball curving out to the right. The instructor calls it a brilliant feel for slicers.
Channel: Danny Maude
Watch official source at 5:59Why this context matters
The instructor estimates 80-85% of the students who come to see him come over the top and chop down on the ball.