1. No suspension engagement
2. Moving hips back just before the front wheel hits the drop (timing is everything) AND creating pressure on the palms of the hands.
Advantage of this move: it is very predictable and one does not rely on suspension response.
There is also racer style execution where the rider extends feet in the air reducing the height of the drop
Here is the video:
Arrows on the picture below indicate: pressure on the palms of the hands, hips back creating such palm pressure. Notice that vertical arrow indicates that the rider moves quite back over the rear tire for a split second. No suspension preload is used (unlike in style A) in this version of the Manual:
