Come to think of it, we were essentially selling tiny metal sawblades to children.

“‘Pogs and slammers’: ocular injury caused by a new game”

“Such repelled ‘slammers’ acting as missiles could potentially injure either player or bystander. A case of serious ocular injury caused by this new game is described.”

WARNING: includes a black and white photo of an extreme close-up of an eye, in case that bothers you.