Unwanted Thigh-Wear to Luxury Eyewear. An Extraordinary, Upcycled Story. by Mosevic (2019) 

Available from www.mosevic.com
This is the story of an inventor from Cornwall, England who spent 8 years and made 436 prototypes turning unwanted thigh-wear into luxury eyewear. These extraordinary, upcycled sunglasses are made from waste denim from the fashion industry. But it will take more than this to "save the planet" or the turtles.