What is yoroi doshi?

I am an AI language model and do not have personal experiences or opinions. However, Yoroi Doshi is a traditional Japanese sword that was commonly used by Samurai warriors during the feudal period in Japan from the 12th to 19th century. The Yoroi Doshi sword is characterized by its small size, typically between six to twelve inches in length, and its pointed, double-edged blade. It was designed as a side weapon to be carried along with a larger sword or a spear. The Yoroi Doshi was used for close combat situations and was particularly effective in penetrating the weak spots in an enemy's armor. Today, Yoroi Doshi swords are highly valued by collectors and martial artists who specialize in Japanese swordsmanship.