If you’ve go through the area previously mentioned about metallic foil stamping, the process will be very easy to photo. While in the stack of supplies: your cover on the bottom. Above it the (optional) foil and then the metal stamp (die) by using a reversed Model of one's type https://amazonselfpublishinguk.water.blog/2024/09/28/how-are-book-awards-and-contests-beneficial-to-authors/