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Needles for embroidery/cross stitch and sewing scissors are also allowed, as long as they are with the embroidery materials. But don't take good sewing scissotr. I had a good pair confiscated, even though it met TSA guidelines as published on their web site. Now, I just carry blunt edged childrens scissors for cutting thread when I travel. They also make thread cutters that are essentially razor blades set firmly and non-removably into metal. These are supposed to be safe for flying. I haven't tried them yet, but they seem safe enough.