OzzFest

RORY: It was a bat, wasn’t it?
LORELAI: Wearing an OzzFest T-shirt, I believe.

Ozzfest, music festival tour of the US (sometimes Europe and later Japan), featuring performances by heavy metal and hard rock musical groups. It was founded by Ozzy and Sharon Osbourne, and was held almost annually between 1996 and 2018 before being revived in 2022. Ozzy Osbourne and Black Sabbath played the tour several times over the years.

At the most recent OzzFest relative to this episode, the tour was in Hartford on July 13. As Lorelai is a heavy metal fan, and at a very loose end over the summer, is it possible she went to it, and really does have a tee-shirt? Or, if she meant the bat was wearing a tee shirt already in the garage, she (and maybe Rory) could have gone to OzzFest 1999 [1999 tee shirt pictured], which was in Hartford on June 19. If so, it means Lorelai bought her Jeep later that year.

Lorelai connects a bat to the OzzFest musical festival because in 1982, Ozzy Osbourne bit the head off a bat at a concert in Des Moines. Stories vary as to whether the bat was alive, dead, or made of rubber, but Osbourne said the bat was alive, and gave him rabies. In 2019 Osbourne commemorated the anniversary of the bat incident by offering a toy bat with detachable head for sale on his personal web-store. The site claimed the first batch of toys sold out within hours.