According to various embodiments, an exemplary locking mechanism for a connector comprises a hook, a bracket at least partially inserted within the hook to form a first assembly, a holder enclosing at least a portion of the first assembly to form a second assembly, and a button enclosing at least a portion of the second assembly to form the locking mechanism. The locking mechanism may include a cap enclosing at least a portion of the button to form a locking cap.