Quiet Eye - https://en.wikipedia.org/wiki/Quiet_eye https://en.wikipedia.org/wiki/Quiet_eye Actually not tangential but very relevant here. In the technique i

Quiet Eye - https://en.wikipedia.org/wiki/Quiet_eye https://en.wikipedia.org/wiki/Quiet_eye Actually not tangential but very relevant here. In the technique i mention you have to physically focus your eyes for the mind to focus its attention there. In traditional Martial Arts it is said; "Wherever the Eyes go, the Mind follows" and the highest stage is "When the Body becomes all eyes" i.e. an all-encompassing awareness. Philip Zarrilli wrote a book with the above name on the South-Indian Martial Art of Kalarippayattu - https://archive.org/details/when-the-body-becomes-all-eyes-paradigms-discourses-and-practices-of-power-in-ka https://archive.org/details/when-the-body-becomes-all-eyes-p... It is not a book of techniques but deals with traditional philosophies/principles/practices which can be learnt from for use with any sport.