Pressure profiling allows a barista to manually adjust the brew pressure throughout the extraction — rather than pulling at a fixed 9 bars. On La Marzocco Commercial Espresso Machines like the Strada and GS3 MP, a mechanical paddle controls pump pressure in real time, giving skilled baristas the ability to coax different flavor characteristics from different coffees. Softer pre-infusion ramps, pressure ramps, and declining pressure profiles can reduce bitterness, enhance sweetness, or highlight acidity depending on the roast and dose. It's the highest level of hands-on espresso control available in the La Marzocco Commercial Espresso Machines lineup.