No wonder Oda Nobunaga casually tossed away this high-priced 160-coin Iron Cannon; I guess he sensed something was off when he used it regularly.
Yano pondered for a moment, set the Iron Cannon upright, and asked Aman for the Early Union Bottle to start loading the gunpowder into the barrel. When he shook the Early Union Bottle forcefully before loading, Aman was earnestly learning from the "Iron Cannon expert" nearby. She suspected it was some mysterious ritual before firing and asked concernedly, "Why shake the bamboo tube?"
