Do they both hit them with completely loose wrists? It appears so, they drop the wrist (if not **** back) on the backswing and violently swing forward. The question is do they keep a loose wrist when swinging forward? If so, is this is same concept as a forehand, where you get whip action with the wrist to crush the ball? I feel like it depends on the racket to some extent, you brush up like that with a 90 inch frame......But they use ~105 sq inch rackets. My question is: do some pros keep a loose wrist on the 2hbh and use a whip like motion to get that racket drop/pronation? Or do they firm up the wrist/grip through contact?