A system and method for unlocking devices associated with a carrying bag are provided. In example embodiments, biometric information of a user from a biometric reader is received by an authentication system. The biometric reader is located on a pull mechanism of a sliding fastening device for a carrying bag. The user is authenticated by verifying the validity of the biometric information. The authenticated user is associated with the carrying bag. Based on a set of pre-defined permissions, one or more devices associated with the carrying bag are unlocked.