Has anyone here been attuned to Kundalini Reiki?

Stefan Kammerhofer offers free attunements for the same

[link to www.xehupatl.com]


So do the folks at Xtrememind

[link to www.xtrememind.com]


I googled this but found conflicting info on its efficacy, plus the fact that it's considered potentially dangerous by some. Kundalini is hardly something you'd like to toy around with.

Any experiences with Kundalini Reiki / Reiki Tummo / Kundalini welcome!