sunsanly Women Prom Dress Deep V Neck Low Cut Sleeveless Backless Spaghetti Strap Dress up Cross Back Irregular Hem Wedding Dress Women Clothes Walmart.com How to Shorten a Dress Without Sewing 13 Working Methods Transforming a Prom Dress with a Slit Modification HOW TO LEVEL A HEM without a mannequin. , 1. Sew your skirt to into the bodice of the garment. , 2. Hang up the garment, and let it settle overnight so that the fabric can drop., 3. Measure out