There are people who use a lot of tools to do their work. And there are those who use nothing at all.
As for law students?
Well, there are lots of things a law student brings every day to class. But there are five things that I consider a law student list of must-haves. To be sure, law students could live without these things. But these things are so common a property among law students that they seemed to have become part of what a law student must have: