Don't put a dozen AA batteries in your pants pocket with your keys, while at school, in science class. That was a painful lesson, especially trying to get the keys out of my pocket with nothing to use but my hands. Battery carriers will save you a lot of pain.
The overhead crane is always on the other side of the shop.
You really are better off without knowing about 4chan. There are many places on the net that filter what comes out of that place and give you just the good parts. Be content with that.