The class lasted about a year, it became more of a self defense class, since I didn't have a direct line of comm with Korea, I couldn't issue certificates.
2014 Ko Dan Ja Shim Sa teaching video Theme: Shin Chook (tension and relaxation; contraction and expansion)... Focus: Offensive and Defensive Hip... Core Content: Use of huri in the preparation and ...
Teaching video focusing on front leg kicking with emphasis on the Key Concept of Chong Shin Tong Il - Concentration - The practical application of techniques is sparring.