I want to wish best of luck to my friend's daughter Annika and the rest of girls tonight as they play in the LLWS Jr. Softball finals.
Greater Helotes eases into title game - San Antonio Express-News
Cost you $6 and as a added bonus if you have a dog it can retrieve the ball back to your DD :)
https://www.amazon.com/Hyper-Pet-Chewz-Ball-Dog/dp/B00BIGLFRC/ref=cm_cr_arp_d_product_top?ie=UTF8
I didn't mean to suggest pitching with a bend like this it was more of a progression drill so eventually they can feel comfortable falling at a upright stance. It is interesting though maybe someone who is more qualified can answer your question.