Antique Foot Pedal Wet Sandstone Tool Sharpener c. 1900. This foot pedal operated wet grinding sandstone was manufactured by the Cleveland Stone . SHARPENING STONE｜MATSUNAGA STONE CO., LTD. SHARPENING STONE PEONY. 1. 2. General purpose of "sharpening stone"is used in farm tools are referred by carpenters, mechanics, . How To Make a Grinding .