Mukhdarshanam is a vital part of some of the theyyams (especially Bhagwathi theyyams). It looks like the performer is simply looking at the mirror. However, this is a method of invocation by which the performer invokes the spirit of the deity. By looking at the mirror, the performer sees in themselves the deity that they represent.
<a href="//commons.wikimedia.org/w/index.php?title=User:KaustubhShrm&amp;action=edit&amp;redlink=1" class="new" title="User:KaustubhShrm (page does not exist)">KaustubhShrm</a>
<span class="int-own-work" lang="en">Own work</span>