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Review title: fantastic for learning to pull espresso shots
Product review: As anyone who hand-pulls espresso knows, there's many different variables that go into pulling a good shot - temperature, grind, tamp pressure, weight of shot, length of shot, etc. One way to judge shot quality is to inspect the crema, and these glasses are the best way I know to see crema. As you pull a shot, you can see exactly when the crema begins, color shifts during the duration of the pull, and whether it stops. Whenever I work with new beans, I pull my first few shots into these glasses so that I can dial in. More than just beautiful glasses, these are an extremely useful tool.
