Gotham City District Knightwatch Sigil NFTs were assigned to Bat Cowl holders who purchased NFTs during the initial purchase and minting of the Bat Cowl collection. These Gotham City District Knightwatch Sigils are tradable on the marketplace, and will grant access to future exclusive content for holders with those NFTs in their collections. Stay tuned to Batcowls on Twitter and the Bat Cowls Discord for more updates.