Have you ever wondered what exactly a polarizing filter does and how it effects your footage? Here is a great article by Shane and his team describing the many uses for pola filters. He includes examples and tests that really show the difference a pola filter adds.
Polarizing filters are filters that you can rotate to block out certain light. This can achieve things like blocking reflections, or bringing up saturation for certain colors.
Here’s one test showing the difference it makes with the reflections on skin.