https://www.cnbc.com/2019/01/13/nerdwax-puts-an-end-to-slippery-specs-on-shark-tank.html

Sometimes the best business ideas come from the most trivial challenges. For Nashville-native Don Hejny, the light bulb turned on after his glasses slid down the bridge of his nose.

The touring audio engineer-turned-entrepreneur set out to solve the slippery spectacles dilemma, by creating a product with a beeswax-based blend of ingredients designed to help keep glasses in place. To get the business off the ground, Hejny his wife Lydia, and their two children Dia and Asaiah, pitched the company to "Shark Tank."