A system includes a portable locker including a container that may receive and store items and a first lock coupled to the container and that may lock the container to block access to the stored items. The first lock includes a detector that may receive a wireless signal, and receiving the wireless signal causes the first lock to lock or unlock. The system also includes a restraint coupled to thecontainer and includes a second lock. The second lock may secure the portable locker to a rider of an amusement park ride.