by simultaneously forming the head of one nail and the adjacent point of another

Full Title

Making pins, nails, or the like (of pins with individual caps B21G5/00; of U-like shape B21G7/00; of split-pins B21G7/08) > by operations not restricted to one of the groups B21G3/12 - B21G3/16 (B21G3/06 - B21G3/10 take precedence) > from wire of indefinite length (by rolling B21G3/30) > by simultaneously forming the head of one nail and the adjacent point of another