Source: https://wearabledocs.com/compare Before you buy # Things that are easy to confuse Side-by-side answers to the distinctions people get wrong: what each document does, and when it operates. **[Refusal of anatomical gift vs advance directive](https://wearabledocs.com/compare/refusal-of-anatomical-gift-vs-advance-directive)** Having one of these does not give you the other. **[Refusing donation vs removing yourself from the donor registry](https://wearabledocs.com/compare/refusal-of-anatomical-gift-vs-leaving-the-donor-registry)** Coming off the registry removes a yes. It does not record a no. **[Refusing vaccines vs refusing blood on a WearableDocs record](https://wearabledocs.com/compare/vaccine-refusal-vs-blood-refusal)** Only one of the two is part of the document you signed. **[Wallet card vs engraved bracelet](https://wearabledocs.com/compare/wallet-card-vs-engraved-bracelet)** The card needs no engraver, no minimum width and no fiber laser.