Like a pair of raw selvedge jeans, there's a sense of pride buying natural leather. That the color, shape and scuffs are all unique to you and how you've cared for and treated the piece. It's a blank canvas, essentially, and whether you want to protect it or simply darken it up to your desired shade, there are countless ways to go about it. We asked New England-based leather maker Eric Heins, the founder of Corter, for a crash course in leather care.