① Select the point, about 1/3 of the cup mouth;② Small flow injection, quickly pierce crema, stabilize the flow without hesitation;③ Small flow injection fusion, observe the injection opposite "white point";④ After the "white point" appears, increase the flow rate and maintain it; 5 Keep the increased flow rate and shake the flower pulling cylinder left and right, arm and wrist cooperation; 6 When shaking, do not retreat at the selected point; 7 Raise the flower pulling cylinder, and the small flow will end in a straight line.
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