The class was in a regular classroom today, and on each desk was a selection of various types of locks, as well as a basic set of lockpicking tools and some instructions.

That's right, kids! Today you were learning a skill of questionable legality, because... well because why not?

Admittedly Thor's usual method of gaining entry to places he wasn't supposed to be was a bit less subtle, he was well aware that not everyone had a giant magical hammer with which to accomplish these goals. So lockpicking.

"Occasionally," he began, "your quest will require you to seek information, or refuge, or any number of things, within a place that you may not be afforded entry through conventional means. I have taken the opportunity to assemble several different types of mechanisms used to lock doors or valuables," and there were both modern Midgardian locks as well as some that looked more antiquated. There were even a couple strongboxes with digital locks. "I'm afraid this is not a skill I have much personal finesse with, but you should find the instructions quite thorough. Give it your best shot, and the lockpicking sets are yours to keep as you leave."