Make authentic, barista-quality espresso like the pros in the comfort of your home. The Hamilton Beach Slide amp: Lock Espresso Maker has a patented Slide amp; Lock portafilter that makes brewing a breeze. With its innovative design, you can easily slide the portafilter in place from the front of the machine and lock it on the side. New to brewing espresso. The powerful 15 bar pump fully extracts espresso's flavor for an authentic cafe taste, silky crema and quality results every time. Good espresso extraction depends on using the right finely ground espresso coffee and correctly tamping the grounds before brewing.