Why it worked
The video provides immediate, high-utility value through a simple visual hack, which builds trust and authority for the DIY app brand behind the account.
Product placement
FixMate: (a) it ACTS — the video demonstrates a DIY painting technique, and the creator handle and bio link identify the app as a tool for home repairs and projects. Removing the branding would change the video from a promotional demonstration of the FixMate app's utility to a generic DIY tip.