Janome 654 mc9000 straight stitch foot why do we need a straight stitch foot the straight stitch foot is often used on very fine or very heavy fabrics this particular foot is flat on the underside to provide an even pressure against the feed dogs and it has a rounded needle hole which offers the benefit of more support around the needle to prevent skipped stitches and puckering have you experienced puckering and skipped stitches on lightweight fabrics the flat underside and small needle e