Luuvis Women Gorgeous Blue Mermaid V Neck Long Lace Prom Dress With Slit Tailor Tips: How to Add a Stylish Slit to Your Dress Easy Tailor Slit Dress How to Sew a Dress Slit Closed Alteration Fashion Sewing Transformation How to add a slit where you dont have a seam. I had made a dress but wanted to add a slit to it once it was done, so didnt have a seam where I could add one easily, so this is the method I used!,