Whoops, and there we have the mishap! Just a moment of inattention, and all the coffee grounds are on the floor or the countertop! The “Corner Tamping Matte” is not a useless additional product, but it will be a great help to you! This rubber corner mat is for those with limited space, or for those who want to tamp the portafilter at the edge of the table. This high-quality rubber mat protects your workspace or table and provides you with a firmer surface, so that the portafilter doesn’t just slip away. With this, you’ll really have everything under control when it comes to coffee!