FlourishSpeedSafe assisted opening Frame lock Flipper The big 3. 5 inch blade has a top swedge and a hollow grind. But there*s also a machined recess in the upper part of the blade to add visual interest. Combined, the swedge and the recess also slightly lighten the weight of this larger knife. But we*re not done yet. Next, Kershaw BlackWashes the blade grinds giving the Flourish an attractive finish that also hides scratches. Finally, we put a satin finish