Like the boring safety class you have to take before they let you skydive, let's quickly hit on the surefire way to make your Engleberts Premium Wooden Sunglasses stand the test of time.
A lot of people make the mistake of using facial tissue paper to wipe their glasses clean. Avoid this. Any wood based material would be abrasive in nature, and may cause scratches. Microfiber lens cloth is your best option when it comes to cleaning lenses and we gave you a free one, use it.