How the 58mm Bottomless Portafilter Works
- Lightly fill the portafilter basket to the top
- Use your finger to gently even out the grounds
- Lightly press the tamper into the grounds and find a good center point
- Evenly apply approximately 13.6 kg of pressure to the grounds
- Tap the side of the portafilter to reveal loose grounds
- Lightly tamp these loose grounds into place
- Sit back and enjoy one of the coolest looking effects in espresso extraction