Grandmaster Masaaki Hatsumi, the founder of Bujinkan Ninjutsu, held a two-day seminar in Tokyo on the 22nd of March, which was attended by more than 200 Ninjutusu practitioners from all over the world. The seminar, designed for women regarding self-defense, was held at Tokyo Budo-kan martial arts gymnasium.
Ninjutsu has gained popularity and is appealing to many as it involves using the mind to outsmart your opponents, and does not rely on aggression to be effective. Not surprisingly, among practitioners of Ninjutsu are people working in law enforcement or in the military.