within the shed 25 as previously illustrated in fig7 and 8 fig9 also shows the harness 30 and its supported heddles reference may also be made to the plan view of fig1 showing the warp threads at 40 and the interlaced weft thread 36 reference is now made to the fragmentary perspective view of fig1 for an illustration of the use of the supplementary beater 10 previously illustrated in fig1 5 in fig1 the supplementary beater 10 is illustrated as inserted into the shed 25 between sets of warp threads 40 it is positioned so that the undulating surface 10 b faces the previously inserted weft thread 36 fig1 illustrates the supplementary beater 10 about to be moved in the direction of arrow a to engage and position the illustrated weft thread 36 thus the supplementary beater 10 can be moved in the direction of arrow a as well as in a transverse manner to the threads 40 such as in the direction of arrow b in order to alter the configuration of the weft thread 36 in this regard refer also to the side schematic view of fig1 that illustrates a position of the supplementary beater 10 relative to the weft thread 36 reference is now also made to the plan view of fig1 for an illustration of the supplementary beater 10 as moved.