They look like a plug or key of some sort, located right next/on the emergency exit. I even saw the stewards TRIPLE check each other if it was removed so it must be really important.
Thankful if someone explains!
In: 8
They’re probably there to disarm the safety features built into the emergency exit doors.
Often, emergency exit doors will have small explosive devices that blow the door off and initiate inflation of a ramp/raft that passengers use to get out of the plane as safely as possible. Those are disarmed when the plane is on the ground and not in use because even if there is an emergency, generally you won’t need that while you’re still at the airport and before the plane is full of passengers. So you’d just be adding extra damage to the plane for little benefit.
But of course once the plane is full and taxiing to takeoff, you want to arm them and make sure the attendants cross check each other to triple check that those safety features are armed so that is there’s an emergency at this point, all the exits can be used right away to deplane as fast and as safely as possible.
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