Complex sentence: Hoshin Roshi Ryu Jutaijutsu is an American combative art based on American, British, French, Russian, Israeli, Chinese and Japanese traditions that is continually evolving through the skills and experiences of its teachers.
Split into simpler sentences: Hoshin Roshi Ryu Jutaijutsu (or Hoshinjutsu) is an American combative art based on Eastern and Western martial traditions. The art is continually evolving through the skills and experiences of its teachers.