In early 1992, a panel of Scotch whisky experts convened at Riedel's headquarters in Austria to test a range of 19 different glass shapes. This research resulted in the Vinum Single Malt Whisky glass. This glass has an elongated thistle shape on a truncated stem. The design incorporates a small, slightly outturned lip which directs the spirit onto the tip of the tongue, where sweetness is perceived, and serves to emphasize the elegant creaminess of top-quality single malt whisky. Special orders are available at no extra cost.