A thread finger assembly (12) for a sewing machine has at least one thread finger (14, 15). This can be switched between a loop engagement position and a loop withdrawal position. The loop engagement position is used to engage the thread finger (14, 15) in a thread loop generated by the sewing machine in a stitch formation area. The loop pull-out position is shifted away from the stitch formation area relative to the loop engagement position for pulling out the thread loop with the thread finger (14, 15). A thread finger drive (23, 21, 19) is used to switch the thread finger (14, 15) between the loop engagement position and the loop withdrawal position. The result is an assembly of a sewing machine with which an attractive seam pattern is reproducibly produced at the beginning of the seam.
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