"Starting April 25, passengers flying on U.S. flights will be allowed to carry small pocket knives-blades less than 6-centimeters, up to two golf clubs, ski poles, as well as sporting sticks used for hockey, lacrosse, and billiards. Baseball bats will remain on the no-fly list, though wiffle-ball bats and souvenir baseball bats (less than 24-inches long) will be allowed."
http://news.yahoo.com/tsa-allow-pocket-knives-planes-201605201--abc-news-politics.html