knockboxes (also known as knockbox) are used to knock the already extracted coffee out of the lever after the espresso has been prepared. The knock-off coffee machine with tray is a professional tool for coffee preparation in coffee shops, bars and even at home. The rubberized part is for prolonged durability and reduced noise when knocking out coffee. They are made of strong materials to withstand repeated daily tapping of the lever. All knockers also have a non-slip backing to keep them well on their base. We offer Rhinoware and Motta knockboxes.
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