Complex sentence: Ozzy, believing it to be a toy, took the bat by its wingspan and bit the bat on a wing then threw the bat back into the audience, causing him to be checked into Des Moines General Hospital to receive rabies shots after the show.
Split into simpler sentences: Ozzy, believing it to be a toy, took the bat, held out its wings and bit it on a wing then threw it back into the audience. This resulted in him being checked into Des Moines General Hospital to receive rabies shots after the show.