I'm fairly sure the main function of a beer bottle is to stop the liquidy bit inside from getting outside before it should. I think the ability to crack someone over the head with it is secondary.
Therefore the rigidity and composition of the glass would remain constant.![]()
But iam good thinking outside the box, am i right?

But iam good thinking outside the box, am i right?
i'd say who let you out of the box to think in the first place, then id slap them

@Lamps question: Yes. Not an alive one, obviously.