The marker has been sitting in your pen drawer for years.

You can't bring yourself to throw it out, because it’s the best marker in the world; but it has become worn and frayed, and you can't bring yourself to use it, either.

But today you have just the project for the best bad marker in the world, and you take it from the drawer, remove the cap, and notice with glee that time has accumulated a perfect supply of ink in the frayed tip. You bring it down on the pristine white paper in front of you, and magic begins to trace itself on the page...