But in February of 2004, Austrian stemware innovator Riedel crystal, released what was the first wine-specific stemless wine glasses, (now known as wine tumblers), naming the line Riedel O.

To get expert tips on achieving crystal-clear glasses, Food Republic consulted Maximilian Riedel, the 11th generation CEO and President of the Riedel wine glass company. Firstly, there's no one ...