Whip is the answer to one very important question.
How do you transfer energy from the body to the barrel.
Whip is the rapid movement of the barrel around the hands and is caused by the transfer of energy from the body to the barrel of the bat.
Whip is created by...
Many people (try to) teach Whip using the concept of the Slot, but that's problematic because it can create a hole in the swing; it's one reason why Allen Craig faded so quickly and didn't come back even when his front foot healed.
From the standpoint of physics, Whip is an example of the principle of conservation of momentum; of transferring energy from the body to the bat.
I have put together a number of pieces that go into the details about Whip.
. Acceleration, Deceleration, and Whip
... The Triple Pendulum and Ben Hogan's True Secret?
...... Whip and the Back Elbow
. The Role of the Hands
... Whip and the Grip
. Hinge, Hold, and Release
... Hinge Angle
. Judging Whip
... Whip Position
... The Myth of the Brace Position
. Reducing the Radius
. Stalling the Barrel
. Frequently-Asked Questions about Whip