Coffee Grinder Cleaning BrushA soft-bristle brush for sweeping grounds out of burr grinders, hoppers, portafilters, and group heads.Why botherCoffee oils go rancid. Grounds left in the burr chamber and the chute sit there getting stale, and they come out mixed into tomorrow's dose, which puts a dull, slightly off taste into a cup you otherwise did everything right on. Old grounds packed in the chute also throw your dose off, because some of yesterday comes out with today.How oftenBrush the chute and the area around the burrs weekly if you grind daily, or after every bag if you switch beans often. A full grinder teardown and deep clean is a once-every-month-or-two job. This brush is for the quick pass that keeps you from needing the deep clean as often.Why soft bristles matterPolypropylene bristles are stiff enough to move packed coffee dust out of corners but won't scratch burr coatings or the inside of a hopper. A stiff wire brush will damage both, so don't reach for one from the garage. Bristles: soft polypropylene, gentle on burrs and coated surfaces Use on: burr grinders, hoppers, portafilters, group heads, and counters Body: durable plastic Color: black The kind of accessory that should cost thirteen bucks and does exactly what it says.