Seki Nobuhide Sensei, a martial arts and katana instructor, rates portrayals of samurai battles in movies and TV shows. He explains why samurai employed different types of spears in battle in "Shogun.

The Japanese sword, often epitomized by the katana, is more than just a weapon. It is a symbol of Japan’s rich cultural history, craftsmanship, and the ideals of the samurai who wielded it. Known for ...