I can’t afford it myself, But I’m leaving this here because I’d love someone in the community to have this gem. Hopefully so we can have relatively easy access and document it in the future. At least have someone be able to reference it.
Mitsurugi (https://www.youtube.com/user/MitsurugiW) has 4 of these linked up and is the person you should ask about anything related to them.
His video about it: https://www.youtube.com/watch?v=fOP9dkUicMU&list=UUE66FeeCk83lhjatqFryQsA