A new and innovative security solution for the macbook air 13 the mba 13 lock bracket kit maximize your macbookrsquos security and your peace of mind with the introduction of the new wedge bracket locking system for apples macbook air 13 how does it lock a cutting edge high grade aerospace aluminium bracket designed with the integrated ldquowedgerdquo security slot macbook air users now have an unobtrusive locking option that preserves and compliments the thin design of macbook