A method of executing a double blind wine tasting event comprises providing a plurality of distinct wine bottles, a plurality of identical sleeves and a plurality of distinct covers. A first person places each of the wine bottles in a respective sleeve, with each of the sleeves including a respective distinct identifier. The first person keeps track of which wine bottle is placed in which sleeve. A second person then masks each of the identifiers with a respective cover, with each of the covers being removably attachable to the sleeves. The second person keeps track of which cover is masking which identifier. After these steps are carried out, a location of each of the wine bottles within the sleeves is unknown to every one of the participants. A plurality of carafes may be used as an alternative to the sleeves.