1. Make the coffee powder more uniform 2. Reduce channeling 3. Optimizing Extraction 4. Easy to use 5. Mini and portable 6. Electronic, espresso tamper to reduce wrist fatigue 7. Work with most of brand , for example : ZOE, NOVA ,ROCKET , WEGA ,LaMarzocco ,Faema etc 8. Work with 58mm portafilter
