Shoulders keep falling off. How do I fix this? The arms are too tight but the shoulders are so loose. : r sewhelp Amazon.com: Canli4Y Women Off Shoulder Knit Dress Long Sleeve Bodycon Midi Dress Elegant Winter Party Outfit Evening Fall Fashion Grey S : Clothing, Shoes & Jewelry Rosie Assoulin Red Stripe Falling Off The Shoulder Midi Dress Red Stripe Xs Medelyn Off The Shoulder Mini Dress Bubble Gum L by Sugarlips Slate Blue Dress Satin Maxi Dress Off The Shoulder Dress Lulus