For context: I grew up attending a Catholic elementary school in the early to mid 2010s. I live in Southern Maine. Everyday a group of sixths graders would raise or lower the American flag for the pledge. When it was my turn, I was taught the basic rules of the flag, including how to fold it and to not let it touch the ground. If the flag did touch the ground by accident, we were told to give the flag a kiss. I have kept up this practice to this day, but I have never found anyone else, that does the same. Was anyone else taught this custom, or did my school just make it up out of nothing? Is this an American Catholic thing?