After fight with Almalexia I have tried to use (equip) Ring of Barilzar's Mazed Band for teleportation to Mournhold Temple but apparently it does not work. There is completely no action after equip the ring. Furthermore after few minutes the hud is gone, inventory does not open, I can't move, can only turning around myself (similiar it looks like waiting for Almalexia monologue finish).
If that's no bug: how to use Mazed Band ring then?

Mazed Band is supposed to
Mazed Band is supposed to teleport you. Can you post your load order?