The Japanese sword is a traditional, single-edged sword with a curved blade, renowned for its folding forging and clay tempering techniques, combining sharpness and resilience. Common types include the tachi, katana, and wakizashi, all with elegant blades and exceptional cutting power. As a symbol of the samurai, it blends strength and gentleness with Zen philosophy, embodying the spirit of Bushido and is considered a classic of world-class cold weapons.