PODCAST: Shock Collar Question of the Day (04/09/21)

In 1921, Imperial Airways became the first airline to ever offer a certain amenity onboard one of their flights. Keep in mind, back then they had wicker chairs for seats and could only fit 10 people to a plane, but it didn't matter, the passengers loved it and this amenity can still be found on planes to this day. What was it?

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