You are invited to our Grand Opening!
Koyama Dojo is excited to announce our grand opening and invite you to our new Livonia, MI location. What is Koyama Dojo? We are a premier Japanese JuJutsu school teaching Hakko Denshin Ryu JuJutsu (HDRJJ). HDRJJ is a traditional Japanese martial art specializing in the use of wrist locks, joint manipulation, and pressure along with […]