> It maintains the beer cold through the most primitive of the processes: due to its low capacity, the beer is consumed so quickly it has no time to get warm.
Which as the link describes is the traditional glass used for serving Kölsch in Köln. When I visited the typical service was to have servers constantly circulating with kranz trays, delivering cold beers every few minutes, so that your drink was always cold and full.
> It maintains the beer cold through the most primitive of the processes: due to its low capacity, the beer is consumed so quickly it has no time to get warm.