100% of plane riders will regret it because they did not know this button sooner

This button is on a plane so useful that we now know their existence!

Flying a lot is like this but make sure there are countless secrets on the plane that you don't know. For example, try the secret buttons with the utility that almost only the crew knows about them.

Every time I go on a plane, some people like to choose the seat next to the window to see the blue sky and clouds, some people like to sit in the chair close to the aisle to have more space for leg and travel more convenient.

But, rather grudgingly, the hand-stick sticking to the aisle "seems" always locked in a fixed position, making you feel like you're tied up.

Under the armrest bar, there will be 1 button or small lever.

You think that only the seat bar in the middle seat can be adjusted up and down.

Depending on the different types of aircraft under the armrest bar, there will be 1 button or small lever.

You just need to hold this button, the hinge lock will be opened and you can lift up the armrest.

Just hold this button, the hinge lock will be opened and you can lift up the armrest.

However, remember, to ensure flight safety, at the time of take-off and landing, the armrests should always be in place!

You should only "cheat" a bit of space in the passageway when the plane is in the sky high, that's also good news for many people, right?