Sorting through Knitlock Images

I was resorting my Knitlock images (as you do) into photo libraries and I had another look at a scan from a bad image photocopy of a journal article on Knitlock. It was the only photo I have seen yet of a Knitlock mould. I heard the penny drop. I think the last obstacle to production has evaporated. Griffin created with such simplicity and elegance.