Amarra 89297 Floral Fit & Flare Prom Dress Cut Outs Slit Ruffle 000 Ivory Blue Print Lilac A Line Halter Cut Out 3D Flower Long Prom Dress with Slit Jovani 43623 Sequin Long High Slit Open Back Formal Prom Dress Beaded Cutout Prom Dress With Slit 49995 Jovani 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!,