Why it worked
The video uses a relatable, humorous personal anecdote to showcase a novelty product, leveraging the 'TikTok made me buy it' trend to drive interest.
Product placement
(a) TikTok Shop: it ACTS as the marketplace platform where the shirt is purchased and linked, evidenced by the "Commission paid" disclosure and the #tiktokshopcreatorpicks hashtag. Removing it would change the video's status as a commercial promotion. (b) QuikTrip: it merely APPEARS as the location/scenery in the background. Removing it would not change the video.