Earlier quoted context omitted.
Really curious. Can you give more details? Vamachara stuff is forbidden and can lead to extremely dangerous reverse effects.
It might be forbidden within the context of certain religious paths/orders, but it's not forbidden for random people on the internet to experiment with whatever exercises they come across. I think the site where I got it doesn't exist any more. I think I have a copy in my own archives somewhere. The basic gist of the practices was a combination of various asanas, mantras, pranayama and visualisation.
Kind of like how self harm is forbidden. Vamamarga is psychological self harm, in a sense. Aghoris then take that same principle to the next level.
The problem is people fetishize, or in other ways make arguments and ideas about Indian origin things within the context of religion. That has in my opinion done far more harm in understanding the philosophical approaches of Dharma than any other misconception, including translation errors.