Baccarat Barista Brillante Knock Box Use the Baccarat Barista Brillante Knock Box to store your daily grinds after each brew. After your coffee is made, the Baccarat Barista Brillante Coffee Knock Box is a container and tub that is specifically made to "knock" the coffee grinds or puck from the portafilter or group head of your coffee maker. It's easy to use a coffee knock box: after brewing coffee in your machine, take out the portafilter or group head and tap or knock it against the knock box's edge. For brewing coffee for a large group of people or even just for gathering coffee grinds for composting, the Baccarat Barista Brillante Coffee Knock Box is the perfect choice. - Perfect accessory for coffee making at home - Easily store your used coffee grinds with one knock - Ideal for brewing coffee for large groups or gathering coffee grinds for composting - Durable high grade plastic to withstand high volumes of use - Easy to clean and easy to use - After brewing coffee in your machine, take out the portafilter or group head and tap or knock it against the knock box's edge - Complete your coffee setup with the coordinating Baccarat Barista glasses and accessories