Originally Posted by lfletcher

I take a pin and put it straight through the matching point perpendicular on both fabrics and then place pins closely on either side of this pin. Remove the center pin and when you are sewing your 1/4 inch seam make certain you hit the matching point exactly. That may be what you are describing but I wasn't sure. I sew over my pins. I know this isn't recommended, but I slow way down and haven't had any problems.