Musashi also advocates heavily a style of wielding two swords versus the traditional use of gripping a single katana with one hand .
Here samurai author Miyamoto Musashi outlines the principle - based approach to training with the art of the sword .
samurai author also advocates heavily a style of wielding two swords versus the traditional use of gripping a single katana with one hand .
Here samurai author Miyamoto Musashi outlines the principle - based approach to training with the art of the sword .