Monofilament is what you use to go fishing. The line on your fishing rod is probably going to be black. You get to the end of the line and you tie on this clear plastic, thin thread called monofilament.
The daily calendar seemed, to me, like a kind of cartoon black hole, and you didn't have to be a rocket scientist to know that that couldn't be sustained indefinitely. That's why I pulled the plug on that one after the '02 edition. Kind of a preemptive strike.
It was never physically dangerous except when I nearly fell off a horse, but it was physically arduous - especially when you were working late at night.