Translation from: Jieitai Keimutai no Taiho-jutsu (2020) by Araki Hajime
Page. 31
"10. Shuto / Tegatana (Atemi 2)
Strike the opponent's shoulder. Bend your thumb and place the inside of it at the base of your index finger. Do not strike with your elbow fully extended. Strike first right, then left.
10手刀/てがたな（当身 2)
相手の肩を打つ。親指を曲げて、その内側を人差し指の根元につける。肘を伸ばレし切って打たない。右、左の順で打つ。
① From a "shuto / tegatana preparatory" stance, extend your left hand.
② Make a fist with your pulling hand and position it at your waist.
③ Use the recoil and your arm to make sure it hits your opponent's shoulder.
④ Use the pull of your pulling hand and the insertion of your waist."
①「手刀用意」で正面の構えから、左手を出す。
②引き手はこぶしを作り、腰に構える。
③の反動と腕を効かして相手の肩に確
実に当てる。
④引き手の引きと腰の入れを利用する。