Janome Top-Load - Straight Stitch Foot Often used on very fine or very heavy fabrics, the Straight Stitch Foot is flat on the underside to provide an even pressure against the feed dogs. It has a rounded needle hole which offers the benefit of more support around the needle to prevent skipped stitches and puckering. Designed with single hole to allow you to sew a straight stitch on lightweight fabric without skipping stitches.