Owning one of these 11 NFTs will entitle you to use the AR fashion enhancer to add the specified quantity of fashionable digital pixels to any physical outfit during each enhancement session.

https://sndrv.com/nft/add/

The AR effect titled "Add" is available as a Snapchat lens. The required PIN-code to uniquely access the lens can be found in the unlockable content field of this NFT