Earlier this year we debuted Decoder Rings Back, our new feature exclusively for Decoder Ring Plus subscribers. In each installment, Willa gets a listener on the phone and tries her best to answer their question about a cultural mystery. We have been having a blast making these episodes, and if you haven’t heard them, we think you’re missing out. So in the hopes of instilling some FOMO that motivates you to support the work we do here by becoming a Decoder Ring Plus subscriber, here’s a sneak peek at the latest installment.

This time, we hear from Julia Latino in Massachusetts who’s been baffled for years by a strange sight: dozens of tiny rubber duckies riding on the dashboard of Jeeps. What started this craze, and why Jeeps of all cars?

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