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Gert Corfitzen Jürgensen

Hi, I’m Gert Corfitzen Jürgensen

Martial Arts Researcher
Author and Blogger

Jissen Karate

The invisible bond – Giri

The invisible bond - The way of life! In Japan, they have a concept called Giri (duty, sense of duty, honor, decency, courtesy) Giri is an invisible thread, a bond ...

Ryukyuan Caste System

Hierarchy in the Ryukyu Kingdom - A Complex Caste System. The Ryukyu Kingdom, a historical gem situated in the captivating landscapes of what is now Okinawa, Japan, was characterized by ...

Yoshitaka Funakoshi’s Shotokan

Yoshitaka "Gigo" Funakoshi was born in Okinawa in 1906. Already from childhood, he was diagnosed with tuberculosis, which was also the cause of his death in 1945. Yoshitaka began his ...