and telescoping members but the particular type of inserter used is not important to this invention at the lefthand most end of inserter 10 as viewed in fig1 the carrier is shown as comprising a main body portion 11 body portion 11 is itself made up of a shank portion 12 a horizontally extending upper wall 13 and a wall 14 which extends substantially vertically downward from the horizontal wall 13 it can be seen that the vertically extending wall 14 extends outwardly away from the inserter 10 and the shank portion 12 and that it is disposed substantially normal to the broad dimension of inserter 10 additionally it can be seen that the generally horizontally extending upper wall 13 extends outwardly from the upper edge of wall 14 and is provided on the forward side thereof with a depending lip 13 39 upper wall 13 lies in a plane that is substantially parallel to the plane containing tape 10 in order to control or guide the weft yarn to be inserted means must be provided for contacting the weft as it is being drawn from the source and inserted into the warp shed depending upon whether or not weft is to be drawn from a single or from a plurality of sources one or the other of the backplates 15 and 16 will be required if a plurality of sources is to be used then backplate 16 would be mounted.