To keep this thread on-topic, i spent 2 min making this:
I spent 30 seconds drawing, and the rest, uhh, pulling an @p2 don't get it? Click here!
, they want to be able to stalk the contents of our lockers. So they buy lockers with similar combos. They also have master lock key things, which is nice, for people like me who have an even numbered locker and cannot for the life of them remember their combo.