Abstract: An insert traveller, of the kind comprising an upper and lower hook portions interconnected by a shank, all of plastics material, with a metal insert for contacting the yarn arranged at the junction of the upper hook portion and the shank, is improved by providing portions on the upper hook portion and the shank whereby the insert can be embedded within the portion of the shank adjacent or beyond the internal surface of main body of the portion of the shank. The metal insert is of "half-round" wire and carries a fin interconnecting the upper hook portion and the shank of "T" shape cross-section.