Loop on Shirts That loop on the back of dress shirts is to hang them in our closet without getting wrinkled. Post navigation The Reason Behind All of Your Dog’s Behaviors You Should Never Do These Things to Your Dog 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36