If you’re under the age of 16, you may not be familiar with TikTok. It’s a popular app where users can create and share short videos with others. If you want to start using TikTok, but don’t know how to direct message on the app, here are some tips. To start a direct message on TikTok, first open the app and sign in. Then search for someone you want to message and tap on their profile picture. Next, tap on the three lines in the top left corner of their screen and select “Direct Message.” To start a direct message with someone who is already messaging another person, first open their conversation and then tap on the blue arrow next to their name. This will take you to a new screen where you can start your own message. ..