Jase are stances in Kuk Sool Won.
“Ki Mah Jah Se, or horse riding stance, is the first stance taught in Kuk Sool Won™. It is the...Ki Mah Jah Se: Horse-riding Stance
“Kong Kyuk Jah Se, or Offensive Stance, is the stance, along with Bahng Uh Jah Se: Defense...Kong Kyuk Jah Se: Offense/Attack Stance
“Bahng Uh Jan Se, or Defensive stance, is simply Kong Kyuk Jah Se: Offense/Attack Stance...Bahng Uh Jah Se: Defense Stance