There are a number of ways you can use the exclusive content feature to give value to your collectors. Here are a few:
Higher resolution media.
Additional media, such as textual drafts, telling the story of how the NFT came to be, screenshots or photographs of work in progress, or sneak peaks to future releases.
Coupon codes that can be redeemed at a discount.
Access keys to private communities with exclusive virtual or real life benefits such as invitations/tickets to events, lifetime memberships, potentially taking part in Decision-making, many types of rewards, loyalty or referral programs, e.g. anything related to "token-gating".