The message of this, and most Upanisads, relates to serious seekers the need for a sharp mind and honed intellect in order to cut through all illusory appearances of maya/nature, and penetrate the layers of ignorance held by collective consciousness and our individual karmas. The method of the Kshurika focuses in on cutting away the predominance of body consciousness, uniting instead with subtler levels of awareness, then meditating on the numerous nadis there and definitively locating the three main nadis within. All of this gets covered in just 23 direct and pithy Sanskrit slokas.
"Aum, Dhanur grihitv’aupanisadam mahastram...!" (taking as bow that mighty weapon furnished by the Upanisads....)
View past SRV classes on Advaita Academy: https://livestream.com/BabajiBobKindler
View edited classes on SRV YouTube: https://www.youtube.com/user/SRVAssociations/playlists
Catch up on unedited classes from 2014: https://www.youtube.com/user/BabajiBobKindler