The image is a test you run on yourself. Two wrists, one tendon present, one absent, and you check your own arm before you have even clicked. Once you have looked, you need to know what your answer means.
How the packaging works
Title
The title stakes a big claim and plants it on your own body.
Thumbnail
The labelled wrists show the exact self-check so you try it instantly.
Remix this
Use this when your lesson includes something viewers can check on themselves right now. Show the check, both outcomes labelled, and let them run it before clicking. A viewer who self-tests is already half committed.
The transferable lesson
Turn the thumbnail into a self-test
NicheHealth & FitnessScience
Click driverIdentity & Self-RelevanceCuriosity Gap