Shoulders keep falling off. How do I fix this? The arms are too tight but the shoulders are so loose. : r sewhelp Blue Stripe Falling off the Shoulder Midi Dress Rosie Assoulin Nancy Off The Shoulder Foldover Long Sleeve Bodycon Mini Dress American Threads Women's Trendy Online Boutique Dusty Blue L Elegant Off Shoulder Long White Dress with Cashmere Lining for Fall We Canary Houze How do I fix my straps always falling off : r sewing