Reason why flyers can be charged to check their carry-ons even after TSA approved them in security lines

TRAVELERS flying abroad need to beware of security and airline rules which can lead to extra fees. What works at a US airport won’t always fly overseas, with shoes, laptops, liquids, and carry-on bags all subject to wildly different rules depending on where you’re flying from. American carriers tend to be relaxed about the weight…

https://www.the-sun.com/travel/16357293/international-domestic-travel-tsa-security-checks/