This will allow all manner of spirit to come and go, now it is important you hear me out here, it will allow WA, DA, BA AND OMG to come and go, it will help you with your communications. It is more dangerous than the others. It will allow them to come and check you out. It will be shielded, come with a cover, and a guardian and already blessed for use.
YOUR MIRROR MAY OR MAY NOT LOOK LIKE THE ONE SHOWN