He discovered that the content commands the shape, whose consequence was: the correct choice of glass enhances the flavors of wines. The delivery of a wine's "message", its bouquet and taste, depend on the form of the glass. It is the responsibility of a glass to convey the wine's messages in the best manner to the human senses. Riedel offers the finest instruments when it comes to enjoying wine and spirits.

Riedel provides the world's only 'Vitrum-Vinothek". By creating glasses that deliver the typical components of a grape variety, highlighting the balanced flavors, maximizing the fruit, integrating acidity or tannins into the overall pleasure of wine.