How to make a Boomerang on an iPhone using the Boomerang app or Instagram

· You can easily make a Boomerang on an iPhone using the Boomerang app or the built-in function in Instagram. 
· You can post a Boomerang to your Instagram story directly from the Instagram app. But you have to download the Boomerang app to post a Boomerang as an Instagram permanent post. 
· A Boomerang is a burst of...