We tested the Puck Sucker and liked it, though we can't universally recommend the knock box. Go into a coffee shop and you’ll hear the thwacking of baristas knocking out spent espresso pucks. Espresso ...
This article is part of CNN Underscored’s Guide to Coffee, a two-week focus on everything coffee, from the best methods for brewing it to the best machines to do so and the accessories and gear you ...
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