Hike the lead hip up to set spine tilt behind the ball
At driver setup, raise the lead (left) hip a little higher to set your spine angle, since the hips and spine are perpendicular. This tilts you correctly so you are already positioned to load into your right side and sit a little more behind the ball, letting you hit up on it.
Channel: PorzakGolf
Watch official source at 3:03Why this context matters
He later quantifies it as hiking the lead hip up about an inch.