Janome Center Guide Foot for CoverPro (2-needle Type) The Center Guide Foot for the CoverPro 900CP allows you to line up the center of a two needle stitch with an existing seam for straighter, more accurate stitches It is excellent for sportswear and gives extra strength to seams that are exposed to a lot of strain. Use it to tack down already sewn seams or to finish with a decorative effect. Place the center guide in an existing seam, lower the foot, and follow the existing seam as you sew .