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The last tape

Cold Index

·

Feb 2026

Thumbnail: a torch beam lands on an old cassette tape among case files, headline The last tape

Result

Click-through on this video over its first 14 days, against the channel’s average before.

The brief

Cold Index tells old unsolved stories and never shows a host. The thumbnails had to build tension from objects.

Most true-crime thumbnails shout. This one had to stay quiet and still make you want to know what is on the tape.

What changed

  • One beam of light on one object: the cassette.

  • Muted colour and a quiet serif-like headline, so it reads as a documentary, not a reaction video.

Title options sent with it

  • The last tape

  • Nobody listened to this tape for 30 years

  • What's on the last tape?

“

Quiet thumbnails were a risk in our niche. This one out-performed every loud cover we'd tried.

OH

Owen H.

Cold Index, documentary

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