1. A FILLING INSERTING CARRIER FOR SHUTTLELESS LOOMS, SAID CARRIER BEING FORMED OF CONTINUOUS FLAT SHEET MATERIAL OF UNIFORM CROSS SECTION AND COMPRISING A TERMINAL UPPER VERTICALLY EXTENDING PORTION, IN CONTINUATION THEREOF AN UPPER HORIZONTAL SURFACE, A HORIZONTAL LOWER SURFACE DISPOSED IN SPACED AND VERTICAL ALIGNMENT WITH SAID UPPER SURFACE WITH A FRONT VERTICAL SURFACE FORMED INTEGRAL WITH AND INTERCONNECTING BOTH SAID UPPER AND LOWER HORIZONTAL SURFACES WHEREBY A CARRIER STRUCTURE IS DEFINED HAVING AN OPEN REAR SIDE THAT EXTENDS ALONG THE COMPLETE EXTENT THEREOF.