Jsk Feats:Bow Master

You master the bow, gaining the following benefits when using them;
 * Increase your Strength or Dexterity by 1, to a maximum of 20.
 * Whenever you make an Attack with a shortbow, you can move up to 10 feet without provoking opportunity attacks. This movement happens before or after your Attack (your choice).
 * The damage die of a longbow that you are wielding becomes a d10, instead of a d8.
 * The damage die of a greatbow that you are wielding becomes 2d8, instead of a d10.