I thought you were talking about the “regular” rubbers, for pencil. Those rubbers are more “grippy” than paper, so the graphite particles will stick to it.
This doesn’t work for ink, of course, and those rough rubbers literally scratch the paper with ink off of page.
This is what erasers were back then:
So… they shaved the paper to remove the ink.
Modern erasers just rub a layer off
I thought you were talking about the “regular” rubbers, for pencil. Those rubbers are more “grippy” than paper, so the graphite particles will stick to it.
This doesn’t work for ink, of course, and those rough rubbers literally scratch the paper with ink off of page.
They just carried open knives around in their shirt pockets? I mean, I wanna feel sympathetic but…
They or teenagers?
Different times. You wouldn’t mail a baby.