Never used Macbook Air 13" lock. As seen in link below, very sleek way to lock up your macbook air. Bracket, lock cable, 2 keys, all equipment included. Selling it because I bought it and then never needed it. Will deliver in campus or nearby. $40 OBO.

http://www.pcconnection.com/product/compulocks-macbook-air-lock-bracket-with-wedge-fist-macbook-13-lock/mba13brw/16239201