please help with a Knittax/KnitKing mystery

The mystery is now solved, thanks to my many knitting friends around the world. The solution is recorded here:    • Mystery solved! it's not a Knittax tool.   Here's the needle shifter video:    • Knittax Strickmaschine Wechselvorrichtung   Contact information is on this page of my website https://free-4988452.webadorsite.com/...