As a sommelier and brewer, I can definitely say that using a Glencairn glass for tequila is a great choice. While it may not be specifically designed for tequila like the Riedel tequila glass, the Glencairn glass has a similar shape that works well for tasting and enjoying the nuances of the spirit.
The Glencairn glass is a popular choice among whiskey enthusiasts, as its shape helps to concentrate the aromas, allowing you to fully appreciate the different scents and flavors. This same principle applies to tequila as well. The tall and narrow shape of the glass helps to trap the aromas and directs them towards your nose, enhancing your overall sensory experience.
I personally have used a Glencairn glass for tequila tastings and have found it to be quite effective. It allows me to fully immerse myself in the complexities of the tequila, from the initial nose to the lingering finish. The slight curve of the glass also adds an elegant touch and makes it comfortable to hold.
Of course, it's important to note that the choice of glassware ultimately comes down to personal preference. Some people may prefer a traditional tequila glass or even a champagne flute, as these glasses can also bring out the unique characteristics of tequila. White wine glasses can also work well, providing a broader surface area for the aromas to develop.
In the end, what matters most is taking the time to savor and appreciate the tequila. Enjoying it slowly, allowing the flavors to unfold, and taking in the aromas are all key to fully experiencing the spirit. So whether you choose a Glencairn glass, a tequila glass, or another suitable option, the most important thing is to sit back, relax, and enjoy the journey that each sip of tequila takes you on.