Bill, please (pretty please) post some decent quality video of yourself pitching NCAA mechanics if you have any.
Doug Gillis and Jeremy Manley are good models of NCAA legal mechanics on the male side.
Say Shaq was a transgender person when he was in college. If you gave 19 y/o Shaquille O'Neal hormones for 1 year at age 20 he would have no advantage over his female competition? Do you really need a scientific study to tell you the answer to that.
I think you shouldn't say anything to them during a game from the dugout about mechanics. Go out there and talk to them if you really need to say something. During the game they should be competing. Focused on trying to get the batters out/win the game. Worrying about mechanics takes them...
Get a batting cage in your backyard if at all possible.
Towny is right. Boil it down into like a 20 or 30 minute routine(at most). You can vary it. Throw(over and underhand), hands drills(and/or catcher stuff), hit. Add in a few longer ones every now and then depending on what she...
I have never, nor will I ever, sit on a bucket for any reason. People who sit on buckets have their players hit tires. And start throwing warm ups from 3 feet from each other flicking their wrists.
I agree it seems like a lot of practice for 8. Especially when it seems you are not really familiar with the basics of pitching. That's a lot of time spent on things that are not that fruitful.
I would cut the time you spend with her in half and use the new free time to familiarize yourself...
Back in 2018- 2019(and before) ghost was THE bat. And they were pretty much 1 oz overweight. I have 0 problem putting a actual 32-23 bat in a good hitters hands.
I got a mizuno cbrn1 for ~150. Was a year or so ago but I'm not paying more than 250 for a bat.
I'll edit: there were 32 drop 9 xenos for 190 or about. If your paying 500 for a bat you're made of money.