Originally Posted by grann of 6
Reverse directions when sewing the seams. In other words, when you sew 2 rows together and get to the end, turn around and sew from that end to the beginning of the row you previously sewed. Alternating directions keeps the rows from bowing.
Yup!! To remember which end was my last start end I only snip the trailing thread and leave the leader thread long.
Also, it's important to iron each sewn seam before you sew another seam.