Start the downswing with the lower body to shallow the club
The lower body starts the downswing and the shoulders and arms follow, which the coach describes as a string running from the hip to the club that pulls the club down into a shallow position. He presents this as a way for the amateur golfer to eliminate the chopping over-the-top move that causes a slice.
Channel: SagutoGolf
Watch official source at 0:36Why this context matters
Framed as a Ben Hogan tip.