Focus four inches ahead to prevent a downhill-lie chunk
When heavy contact is a risk on a downhill lie, focus on the four-inch strip of grass in front of the ball and swing through that spot. Intending to make the divot ahead of the ball keeps the club descending and reduces the chunk.
Channel: PorzakGolf
Watch official source at 4:51Why this context matters
He ties this to chipping off tight lies and to the downhill lie.