How do I throw a backup ball without a thumb

[billf]

The way a back up ball causes the arm and shoulder to rotate differently, you may want to re-think the attempt to perfect that style with that injury. It causes the shoulder to come over into the collar bone more than a "normal" release.

[unclemantis]

So much for the backup idea. I guess I just need to practice a straighter ball without a thumb

[unclemantis]

https://www.youtube.com/watch?v=TexWIjXF8MQ

[billf]

That was good.

[RoccoRock]

There you go, if you can throw that every time your golden. I'm working on that myself soon, once I put the pinkie hole in my spare ball. I can convert about 90% of my 10's now, but it I can do what you just did, I can convert even more. Plus, that's a great way to shoot most spares. Just watch the PBA tour and see how many guys hook at spares. Even the two handers go straight and fast at most spares. You have to hook at spares like the 2-8, 3-6-9-10, and others, but single pin spares, most splits, and many other spares it's probably best to go dead straight.