Perry Mill Supply just stocked the storefront with DD Sling & Supply. We aren't interested in "light duty." We’re interested in Heavy-Duty Tension and Zero Failure. The Gear: DD Web Slings: Nylon muscle for people who actually work for a living. These come with the Guardian Tag, so you don't have to play "Guess the Capacity" before your crane turns into a catapult. Galvanized Shackles: Zinc-coated defiance. Most shackles turn into orange flakes the first time they see a raincloud. Ours eat rust