Why it matters in the cup.

Coffee glossary

Knock Box

A container with a bar used to knock spent espresso pucks out of the portafilter quickly and cleanly during service.

Filed under

What the barista is doing

What the barista is doing

What it means

A container with a bar used to knock spent espresso pucks out of the portafilter quickly and cleanly during service. A tidy station improves speed and reduces mess — small workflow tools matter more than people expect once drinks start stacking up.

Keep going

Where this leads

Each one pushes this into the cup, compares it, or helps you act on it.