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When brewing espresso, channeling is a common yet impactful issue that can lead to，uneven extraction, directly affecting the flavor and quality of your coffee. So, what exactly is channeling, and how can you prevent it?

Any coffee enthusiasts switch to a bottomless portafilter (naked portafilter) to achieve a more professional extraction and visual experience. However, after using a bottomless portafilter, many people notice a significant reduction in coffee crema and even experience unstable extraction.

Our Neouza products, including coffee filter basket handles, some coffee tamper handles, and storage utensils, are crafted from high-quality solid wood. These wooden items require special care to maintain their beauty and functionality.

WDT (Weiss Distribution Technique) tools are designed to improve the distribution of coffee grounds in your portafilter before tamping. However, if the needles on your WDT tool are too tightly packed together, they may unintentionally push the coffee grounds to the side, creating hidden clumps that can negatively affect the consistency and quality of your espresso. These clumps can cause uneven extraction, resulting in under-extracted or over-extracted flavors in your cup.