Thanks, only seeing the video I understood the line from the article: “the key to the success of the Gem clip can be found in the fact that it was patented firs

Thanks, only seeing the video I understood the line from the article: “the key to the success of the Gem clip can be found in the fact that it was patented first as a mechanism: the shape, which took only three gentle bends and a snip to produce, was easy to automate cheap to produce” Brilliant.