Normcore WDT Distribution Tool V2.1 with Stand - 0.23mm 8 Prong Espresso Distribution Tool - Magnetic Coffee Stirrer with 16 Extra Needles, BlackIMPROVES CONSISTENCY The Weiss Distribution Technique (WDT) can improve your espresso channeling for the smoothest and most consistent brews. Great to use in combination with a portafilter dosing funnel and puck screen. V2. 1 UPGRADE The V2 needles were vertical but the V2. 1 features scattered distribution. Just unscrew the handle cover, slip in the 8 needles, and tighten to use. It comes with its own unique stand to provide a resting place when not