For the samurai, the sword was deeply intertwined with the bushido code—the ethical system that governed their behavior. The sword was seen as an extension of the samurai’s soul, and to lose one’s ...

He analyzes the one-handed sword fighting moves in "Avengers: Endgame," starring Robert Downey Jr., Chris Evans, and Jeremy Renner. He guides through the many types of samurai armor in "47 Ronin ...