The big question is how do you stop it from automatically playing the videos as you scroll through everyone’s posts. Here is a quick step by step guide on how to turn off the auto play feature.
Step 1: Open instagram and navigate to options (it may look like the picture below depending on your device)
Step 2: Now you will want to uncheck the box that says “Auto-Play Videos”
Done! Now you won’t have to worry about your friends videos playing full blast when you’re scrolling through your instagram in public. Enjoy!