The one thing that matters sits right there, its name covered by the words this feature. You can almost see it, which is worse than not seeing it at all. The wide-eyed point raises the stakes on a setting you may be ignoring today.
How the packaging works
Title
The title ranks the payoff as the single most important thing.
Thumbnail
A covered button proves the feature exists without giving its name away.
Remix this
Use this when your video hangs on one hidden setting or step. Show where it lives but cover the name, so the viewer knows it is real and still cannot guess the answer.