Anyone who has come into contact with hand drip coffee has often heard of various techniques, or even tried and practiced them personally. Earlier, competitor Nas Jaafar from Malaysia successfully won the 2026 World Brewers Cup (WBrC) championship. In the finals, he put forward a rather innovative proposition—"the resistance of the coffee bed is the key factor determining coffee flow rate and flavor." What he focused on was the distribution of the coffee bed rather than the p