In the back view it is very interesting that the hand rotates counter clockwise at the same time the ball is rolling off the fingers clockwise from the pitchers view. Its like the two opposing forces balance out and produce 12/6 spin.Thanks
Two better videos:
Here is the back view:
In the back view video, my DD falls off to the left to give a better view of the ball flight. If she were throwing in a game, she would not fall off to the left. If I remember right, she put something around 28RPS on the ball...which is pretty good since she hadn't thrown the drop "in anger" for more than 10 years.
To make a long story short:
The difference between a properly thrown peel drop and a properly throw rollover drop is one of degree. Fundamentally, they are the same pitch.
The goal is to make the internal rotation of the forearm as quick as possible.