But during the COVID-19 pandemic, experts warn, false or misleading posts can mean the difference between someone taking precautions or not. “When you’re in a situation where the world is confusing, you’re trying to latch on to what’s true. A common suggestion is to listen to the experts,” Fazio said. “If you have people pretending to be those experts or grabbing that credibility, then that can cause a lot of havoc.” Scott Reeder, a movie and TV prop master in Austin, Texas, who frequently shares jokes and film industry secrets with his 1 million TikTok followers, posted a short video in September demonstrating how retractable stunt knives, syringes and icepicks are used on a movie set.