Jennilee Creates | Mason jar pocket card tutorial @jennileecreates | Uploaded September 2018 | Updated October 2024, 1 hour ago.
Inspiration:

Sandy: youtube.com/watch?v=_O21fr04HqE&t=21s

Also, in the video when I say to make sure that the open side is up and not the creased side, what I meant to say was to make sure the card is on its side, not straight :)