Board Thread:General Discussion/@comment-81.159.109.100-20130221165000/@comment-69.41.128.130-20130319034412

Wooden Mask only works at the central barrow in Labyrinthian (where the Wooden Mask is originally found. As far as I know, there isn't a quest associated with the mask. All it does is transport you back in time to the undamgaed Dragon Priest Shrine in the central barrow of Labyrinthian so that you can recover the final mask.