Koyama Dojo is the Honbu Dojo for Hakko Denshin Ryu JuJutsu HDRJJ in North America, offering over 25 years of teaching experience and delivering the traditional Shihan Deshi style of one-on-one instruction. As active members of the global Hakko Denshin Ryu Federation, their commitment is to uphold and pass on this potent martial art.
With a focus on self-defense and personal growth, Koyama Dojo invites individuals to experience the transformative journey of Hakko Denshin Ryu JuJutsu, an ancient martial art that teaches students how to use natural movements with minimal effort to defeat larger attackers, while building confidence and skill rapidly through a specific curriculum designed for beginners, intermediates, and advanced students.
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