Tang Dynasty: Without Relying on Brute Force, the Pulley Skillfully Defeats the Fierce Generals

Wei Chigong, the founding general of the country, advocated brute force and deliberately made things difficult for young Qin Yu by making an elephant-raising bet. Qin Yu knew that manpower was limited, so he secretly studied the labor-saving technique of lever pulleys. In front of Qin Qiong and Cheng Yaojin, he could easily lift an elephant weighing hundreds of kilograms with only a set of wooden instruments.