content: Video ripped from twatter: https://twitter.com/Jali_Cat/status/1202876212277907457 Here is another view. It's a little old: Prince Harry meets with U.S. first lady Melania Trump for the first time as she leads the USA team delegation ahead of the Invictus Games 2017 on September 23, 2017 Article claiming it isn't satanic-  "This is called the horn or the devil's horn, and what people are saying in the media about it is not correct," she said. "It is not a sign that he's the devil, but rather a warning off of evil spirits. It's a protective gesture against evil or darkness and illness."