[Redwood71]

https://www.realclearhistory.com/video/2018/12/24/story_of_the_shoe_bomber.html

And you’d be surprised what can be hidden in shoes, like many different types of sharp objects.

rwood

[Brian Griffin]

“And you’d be surprised what can be hidden in shoes, like many different types of sharp objects”

I’m not sure preventing the threat of a sharp object is practically possible.

I would hope the cockpit crew never opens the cockpit door because a pretty stewardess has a homemade knife to her throat.