These glasses will help with your understanding of whisky, and how it can range in terms of quality, flavour, colour, aroma, and texture every time you pour yourself a dram. Like all good spirits, quality whisky should have room to breathe and remain accessible to the nose and palate. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.