Board Thread:General Discussion/@comment-7472785-20130908092917/@comment-27603392-20130908094710

Then you'd see Ren used his hands and legs movements to send the fang through the snake, and the same when Weiss used her fingers to control when she wants her Airstep to go to.

Like I said, this is a mix between Dust and Aura, since Monty has stated that Dust is controlled with personal energy.