No, but they haven't demonstrated the superiority of this design over a standard tulip or snifter. The thing about the ridges at the bottom is actively laughable. It's also sort of funny that they tout thin glass as helping maintain temperature, when the large surface-area/volume ratio works the other way (and I'm dubious about the thickness of the glass really mattering for temperature maintenance, given the relative volumes and heat capacities that we're talking about, and if it really matters you can just chill your glass). And, of course, those little laser-etched nucleation points do stuff, but it's not nearly as effective as they claim. The only time I've ever seen those things maintain head was with a super-overcarbonated beer. The whole thing is just a giant pile of BS. If you want to make a glass that looks bizarre then do it. People like things that look bizarre. But don't pretend it's some state-of-the-art magic glass when it's not.