http://beckmarket.com/jewelry/supplies/The-Sea-of-Jewels-Silver-Jewelry-Fashions-l678.html

If a jacket feels narrow in the shoulder area and the coat pulls up or motion is fixed, the shoulders are too narrow, and there's no alteration that may fix this problem, so the solution lies in likely to a bigger size. A jacket collar should surround the throat smoothly without wrinkling or bunching. Jacket lapels should lie flat, both once the jacket is worn open up and when it's worn closed.