kaoss asked:


I go to the airport 2 times a months, and I still cant figure out what actually sets off a metal detector, the list as following
Metal shoe shank = yes (steel???)
coins in pocket= no
Piercings= no (surgical steel)
keys = yes
metal buttons on jacket = no

yet to try more objects….

what substance/amount of substance actually sets off a metal detector!?!?!?!?

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