In the Kyudo text, the triple cross is written in follow fig.
Structure of vertical line
Both legs, hips, and shoulders constitute the same line from above view. ~~
The meaning is following image -the first above view, the second back view-.
Knowledge for Kyudo
-Normal-
Normal Hanare have no issue
The hanare is basic pattern
-Hayake-
Hayake is one of issue
Hanare generated earlier than the best timing.
-Motare-
Motare is one of issue
Hanare generated later than the best timing.
-Biku-
Biku is one of issue
Not generating Hanare and generated hesitation or shock.
There are multiple ways to express Yadokoro.
The main ways are O’clock and Matrix method.
note: There are many theories
Ref. 現代弓道小辞典
When Kyudo , aiming target with both eyes.
The important is to focus on the target, not the bow. In the state, it is no problem the bow looks double.
In addition, the use of both eyes makes it possible to see both the target and the bow.
p.s.
The Hangetsu I know means in figure.
But note that the expression can change depending on the style.
Ref.1 KenさんのBLOGS
Ref.2 射法.com
Both Iriki and Deki are in Tsurudori.
Tsurudori affects the direction of released arrow.
The string tries to return its initial position when Hanare.
As a result, the arrow direction is changed.
Deki affcts it more than Iriki, Deki makes larger change in arrow direction.
Ref.1 日本の武器兵器
Ref.2 射流し(尋矢)競技と地的競技
Ref.3 甲賀弓具店
Ref.4 Wikipedia Toshiya
Ref.5 弓道競技規則 Ref.6 デビール田中の弓道のすすめ(近的)