So...why exactly are we emptying the contents of a beer bottle into our hand again?

Well, he put them in a container that maybe he forgot to throw away, You on the other hand decided to empty it in your hand

That spells keratins on that friendship! Too obscure?

So he’s a man of culture aswell.

You know most people settle with just throwing that stuff out without opening it.

What exactly were you expecting to come out of it that you would actually want dumped into your hand?

If you see crudely re-sealed mayonnaise packets, hire a hazmat team to remove them.

What do you expect? If it is beer inside, you will spill it over by emptying it on your hand; if it is nail clippings, you will probably gag; worse still if there is spiders or bugs inside...

Eh, just throw them away. Otherwise I think you can get a salve for that mangina.

They are valuable, to a witch.