Ground coffee often misses the basket or spills over, causing a mess and wasting beans.
This involves grinding more coffee than will fit untamped in your basket, because it can improve espresso flavor.
In order to use WDT to break up clumps in your coffee, you need a funnel to prevent spilling.
If you are weighing your dose while grinding, you need a funnel to keep grinds from falling to the side and prevent the coffee mound from tipping out, which would give you a false weight.
Oil from the coffee grinds makes them sticky. That's why we coated our funnel and used the mathematically optimum "Brachistochrone curve" to shape the inside.
The thick metal of the funnel gives it enough weight to sit stably on the basket, even when shaking the grounds. No need for clips, springs or other gadgets that complicate use.
Unlike most funnels, ours sits on the outside rim and doesn't cause a grind-free gap which promotes channeling.
The outside curve of the funnel is finger shaped to make it easy to lift out with minimal effort.
Adds 22 millimeters of height to your portafilter.
Made from black anodized food grade aluminum. Should be washed by hand, not in a dishwasher.
Works with all 58mm standard portafilter baskets, such as from Decent Espresso, VST, IMS, E61 and La Marzocco.