When Isadore Horween emigrated from the Ukraine and opened up a tannery along the Chicago River in 1905, he had plenty of competition. Today, almost 110 years later, Arnold “Skip” Horween III, the great-grandson of the founder, runs the only shop left. The supplier to the NFL, NBA, and numerous lines of sneakers, luggage, and other accessories, this fourth-generation tannery practically runs this high quality, old-age leather trade business. In this four-minute clip, we get a brief look on how the craftsman at Horween do it, granting us a rare look inside their weather-beaten brick building sitting on four acres of land along Chicago’s north side Inside, you’ll see animal skins in all stages of development, including those just trucked in all the way to those molded and finished into belts, shoes, bags, and even footballs. Thanks to Apartment Number 9 and Libero Ferrero, you can just hit the video after the click and watch the magic happen.