Chris Koerner outlines a simple viral loop: print a shirt with a QR code, film a short looping clip in public, and post it to short form platforms to drive scans. The tactic turns offline novelty into trackable online traffic.
You get a custom shirt printed for about $30 with a QR code on the back.
Wear it in public, take a five second video that loops just like this one.
You post it on Instagram, TikTok,
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