Let her watch some high level pitchers on video... look up model pitchers in the pitching forum (Amanda Scarboroughs' clip at the very end where she is demonstrating the power drive is the best) or find some clips of Ueno from Japan. Use a balled up sock or a nerf type ball and practice in front of a mirror... she will be her own critic based on how well she compares herself to the videos. Go to a sporting goods store, look in the tennis ball section. You'll find foam 11" training balls for tennis beginners. They're perfect for indoor practice. I think a two pack is around $5.00
The tip about doing these drills right before bed is key! Its a fact that people will dream about what was on their mind as they fall asleep... she will be getting better while she sleeps and wont even know it!
The tip about doing these drills right before bed is key! Its a fact that people will dream about what was on their mind as they fall asleep... she will be getting better while she sleeps and wont even know it!