Locura

Hold on to your hats, folks, because your minds are about to be blown.

One thing that's different here is that juice and milk both come in boxes:

While that may seem utterly crazy, we're just getting started.  The first time I opened one of the milk containers, I noticed that the inner protective seal had already been broken:

At first, I found this to be a little disconcerting.  Was there a Spanish bandito running around poisoning milk cartons?  However, before succumbing to panic I took a closer look at the lid of the milk carton:

Do you see those three fins on the inside of the cap?  When the milk carton is opened for the first time, those fins cut through the inner freshness seal, thus saving you the effort of having to do it separately. ¡Qué locura!