probably because they have to keep stopping to pick up their backpacks

@UncleDuke1969

Is that because the fast kids won't let them on the roads with shoulders ?

@the5thColumnist @UncleDuke1969
No, it’s because the fast kids with shoulders won’t let them on the roads.
@UncleDuke1969 I'm now nervous about the shoulderless, slow-moving children. That's got to be a Japanese horror movie.