Move over Korn and Adidas, Nine Inch Nails have just announced the most overdue merch collab, teaming with Dr. Martens on a new line of merch. What Does Dr. Martens and Nine Inch Nails Have Planned?According to a new video tease shared on Dr. Martens website and socials, the new DM X NINE INCH NAILS collection is celebrating the 30th anniversary of the band’s The Downward Spiral album. Included in this collection are the 1460 boot, the 1461 shoe and the 1490 Dr. Martens boot that have all been inspired by the album’s unique artwork which was created by British collagist Russell Mills. Dr. Mart…