So You Think You Can Dance

Feathers, fishnets and, uh, whipping chains?

We're still puzzled over choreographer Mia Michaels' darkly mesmerizing opening number from Tuesday's So You Think You Can Dance. Set to Brick & Mortar's "Move to the Ocean," the Top 8 dancers were unrecognizable behind their masks and face paint as they gyrated and shook their heads frenetically.

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Can't get enough? Then check out this exclusive behind-the-scenes look at how it all came together:

So You Think You Can Dance airs Tuesdays at 8/7 on FOX.