by Robert Wolfe
While the first three techniques in the sword-disarming set can be viewed as options when shidachi is caught in a right foot forward stance, Hiji-ate (striking with the elbow) provides a possible response to attack when shidachi is standing in a left foot forward stance.
From an open maai, uchidachi attacks with nissoku, kiri-oroshi as shidachi waits in hidari-sankakudai.

As uchidachi commits to his cut, shidachi enters with gyaku-iri (stepping across the line of the attack and turning his back to uchidachi) to hachiji-dachi. The entry must be sufficient to place uchidachi’s right shoulder is at the center of shidachi’s back. As he enters, shidachi executes hiji-ate to uchidachi’s face. (Uchidachi should turn his head to his left, to protect his face.)

Without moving his right foot, shidachi steps through with his left foot (being careful to keep his left hip and shoulder coordinated to maintain the internal line), leaving left arm in place, and “slouches” into uchidachi, allowing his arms to drape across uchidachi.

Shidachi opens, inhales, and extends his left hand to “open the doors,” such that his left arm engages uchidachi at the chin and effects an arm-bar lock across uchidachi’s throat. Shidachi must “open the doors,” with equal force on both hands, widely, standing straight.

Shidachi punches forward with his belly to unbalance uchidachi and, making sure his right hand grasps the bokken at the tsuka between uchidachi’s hands, removes the bokken from uchidachi’s grasp. Shidachi disengages with a step back with his left foot and executes kesa-giri (with a reversed grip) to uchidachi’s belly,

Finishing in chudan-gamae.
