In case you’ve examine the segment higher than about metal foil stamping, the process will be straightforward to picture. During the stack of supplies: your cover on the bottom. Above it the (optional) foil and then the metallic stamp (die) with a reversed Model of the kind or design protruding. https://kindledirectpublishing.fashion.blog/2024/09/28/creating-a-masterpiece-for-readers-through-the-art-of-book-formatting-and-layout/