Decanting a wine using the Developer is bringing it gently and effectively to its optimum condition for decantation: . Optimisation of its bouquet and taste: the extended contact of the wine with the Developer considerably reduces the sulphur dioxide content found in some bottles, significantly improving the benefits of the bouquet and the taste. . Ideal oxygenation: as a result of the Developer’s 6 pouring grooves, the wine flows smoothly and slowly, providing an ideal oxygenation along the length of the walls of the Open cristal. Available separately or with the Open Cristal Developer decanter or with the Classic Developer decanter.