On that BOM, though she did sew over pins - one thing she did that I had never thought of before was HOW she pinned. Instead of having the pins sticking out over the edge, she had the pins coming from the inside out - meaning she started pinning maybe 1 1/2 - 2 inches on the inside with the "point" aimed at the to be seam of the fabric. Don't know how to explain it but it was quite neat. She said it gave her more stability in keeping the fabrics from shifting.
Marysewfun