The Resolza S is the smaller version of the Resolza. Resolza is an ancient name. It reminds of the Italian word for straight razor. From the past to today, the Sardinian Resolza has been one of the most well-known and traditional knives in Italy. It was the constant companion of farmers and shepherds in their daily work. It even followed them into the war. Records of the Sassari Brigade during the 1. mentioned this knife as part of the soldiers' equipment in the context of the World War. This Resolza adheres to the original proportions. However, it was produced using the well-known Extrema Ratio high-end materials and technologies. The handle has been redesigned, while the blade has been crafted true to the traditional form. As a refinement of tradition, a blade lock has been added.