How do you maintain line of sight if you're wearing FPV goggles?

how do the creators maintain line of sight of everything in the universe at the same time?

You have to have a visual observer per the rules

You need a friend who is competent to stand next to you and tell you what they can see.

Hi there Viva Terlingua. Good day and thank you for the inquiry. In addition to this post it would be best to have an observer watching the image transmission screen of the DJI Fly application as well for safety flight. Thank you and fly safe always.

Can I use my dog, he stops barking when he loses sight of my drone.