The Fairgate hip curve ruler can be used for so much more than just the side seam. You can actually use this on most seams to get beautiful lines. Just to mention a few, you can get a perfect waistline and some beautiful curves in the front rise and the inseam. You can also use it for bodices, sleeves, and much more. This information and more can be found in The Fitting Book. Order your book today through the link in this pin.