We work on mechanics every time we pitch. However I have always been in the camp of throw with the intent of throwing hard. She does throw hard for her age, I do however believe it is as much genetics as it is practice. I have never nor will I ever tell her to slow down and throw strikes.
There will be a lot of confusion at first, once the dust settles there will never be an illegal pitch called again as long as they throw in underhanded.
It is impossible for your back foot to land before the front and you not push again with your back foot. The girl in the video has to push with her back leg or she would fall to the ground. I don't really care what the rules are, I just hate the spineless jerkwads that come up with stuff like...