I'll watch the videos - always good to do that and the internet is an amazing place these days for education.

Since this is pretty obviously a copy of V-C's Helice-Grip, Helicobloc, Helistop (all names trademarked by V-C . . .assume they are essentially the same top lever(. . .here's the V-C catalog illustration of the top lever. I'll take some pictures as I go along and thanks and if I reach a point I don't feel comfortable...will stop.

[Linked Image from jpgbox.com]

Baluch are not Brahui, Brahui are Baluch