One thing that can be guaranteed about most kids is that they will rarely do what they're told. In fairness, anyone would want to rebel when they have almost every aspect of their life dictated to them by someone more responsible, but it's not so fun to deal with when you're the one doing the parenting.
In many ways, looking after children is a case of constantly trying to find solutions to problems that are a lot easier to solve in theory, like attempting to round them up to go home. This was something that @califalonemom has had an issue with in the past, so she came up with an innovative answer to it. Sharing her findings on TikTok, she demonstrated how whenever she takes her children to the park, she now brings a dedicated microphone to use when she needs to call them back to her.
Fellow parents and designated lift-givers universally applauded the idea, with some claiming that they'd try it out sometime. Now all they need is a magic device that stops kids fighting in the car.