Thanks for the feedback. I found this video; unless I’m missing something, it’s pretty impressive.
https://www.youtube.com/watch?v=U77pH_nJtvM
There’s not a great deal inside the unit. Mainly what look like chokes to me. No idea what language this is.
https://www.youtube.com/watch?v=bionjufzTtg&t=103s
Whatever they’re doing, it’s definitely a different approach, as posters have pointed out, to the Equi= school.