Pramantha said:
The right way to expand is to expand in diameter, size or both?
Just don´t, play with it.
"There is no actual point to 'open' the shushumna, just to get the energy of it going. Basically, it is a hollow, energetically speaking, space. One cannot simply 'open' it. It's like a vacuum.
Also, to keep stable sanity, do not do strange and bizarre experiments, and go for the natural development with the Serpent."
HP. Hoodedcobra666 https://www.ancient-forums.com/viewtopic.php?f=3&t=17934&p=68292&hilit=shushumna#p68292