C328 Shocking the Four Walls
The one used for experimentation was still the Acupuncture Copper Man. He placed the copper man into the large box, and there were a few arms-like things inside, with a needle outlet at the top.
According to the introduction of Gingis, the instrument could pierce six needles at the same time, and they were all according to the predetermined acupoints. It could be pierced at the same time
