How to make your hands glow in MoP

So by using the klaxxi daily quest item Sonic Emitter from the quest A Little Brain Work you can have glowing yellow hands.
This is only seen by yourself no one else can see it . It stays after you turn in the quest and as long as you dont log out.

Sonic Emitter - Item - World of Warcraft
A Little Brain Work - Quest - World of Warcraft

1 have nothing targeted and spam the item.



Shadow form is cool