Because putting the items into a carry-on bag means that the items won't accidentally be left behind in a bin by mistake." She also gave the genius advice that if you're wearing a bulky non-metal necklace, you can simply turn it around so that it hangs down your upper back, thus avoiding a chest pat-down .
Airplane Carry-On Luggage Restrictions Checklist It can be difficult to remember what items you can and can't bring onto airplanes. Make packing for your flight a breeze by following this guide based on the Transportation Security Administration's rules and regulations.
There are a few things you CANNOT put in your carry-on luggage, and it's important not to so that you don't get stuck at security!
It is often advised that you leave your fine gold and platinum jewelry on your person as it is unlikely to cause the security system to react. Leave Your Large Costume Jewelry in Your Carry-on Bag. Because many of the costume jewelry metals are magnetic it's better not to wear them through security and then have to take them off.
Never Pack Your Jewelry In Checked Baggage Always carry it with you in a carry-on bag or on your person. Never pack it in checked luggage. Even the most high-security airport can't prevent a
Keep valuable or hard to replace items like money, jewelry, computers, computer data, and important papers with you in carry-on baggage and not in checked baggage. In certain situations the airline may require most or even all of your bags to be checked, so be prepared to do so.