Ivory Satin Cutout Prom Dress with Rhinestone Corset SS361 Viniodress Andrea Cutout Slit Mermaid Sequin Formal Dress Windsor Red Cut Glass Mirror One Shoulder Prom Dress with Slit Modsele How to Add A Slit to A Prom Dress at Home TikTok A Line Chic Burgundy Spaghetti Straps Side Slit Prom Dresses 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!,