Well, that seems like a bit of a personal question.
From acing an interview to the perfect first date, the safest follow up to ensure a good outcome is a hearty knock on the nearest tree or tabletop. But why?
Did that many pirates really have a missing eye? That seems like a very specific ailment to suffer from.
Hint: He teamed up with a philosopher to make the attempt.
Do more sides mean that you should take a sign more seriously?
Hint: Actual "black light" isn't possible.