![TSA on X: "For some travelers this may be new. But for us, the answer is old. Knives are not allowed in carry-on. Exceptions are non-serrated, round-bladed butter and plastic knives. All TSA on X: "For some travelers this may be new. But for us, the answer is old. Knives are not allowed in carry-on. Exceptions are non-serrated, round-bladed butter and plastic knives. All](https://pbs.twimg.com/media/EzG7NeDWUAEI3RQ.png)
TSA on X: "For some travelers this may be new. But for us, the answer is old. Knives are not allowed in carry-on. Exceptions are non-serrated, round-bladed butter and plastic knives. All
I have a necklace with a small (one inch) Swiss army knife on it. Can I bring this in my carry-on onto a plane? - Quora
![TSA on X: "#Knives are prohibited from being brought onto a plane in your carry-on bag. Please make sure to pack them in your checked luggage, or leave them at home. #TravelTip TSA on X: "#Knives are prohibited from being brought onto a plane in your carry-on bag. Please make sure to pack them in your checked luggage, or leave them at home. #TravelTip](https://pbs.twimg.com/media/DyqaCSgW0AAYAgn.jpg)