An underwire bra can cause lengthy security checks at the airport. The Sun writes about it.
Airport scanners often react to the metal inserts of an underwired bra. To avoid unnecessary checks for false reasons, you should wear soft underwear, such as sports underwear, on the flight.
If, however, the traveler is wearing an underwired bra and is forced to undergo a security check, she must be searched by female officers. When the alarm went off, you should first tell the employee that this could have happened because of the bra. Most likely, rather, the tourist will be checked with a manual metal detector.
If a manual search is required, it may be requested to be carried out in a private area. At the same time, he does not suggest undressing.