First, Kelvin begins to focus Chakra. He then turns it to earth Chakra. Kelvin then sends Chakra into the earth through his legs. He then uses the Chakra to manipulate the earth around the clone and turns it into fine sand which rotates and socks the clone into it.
Again, he changes his already long focused Chakra into earth Chakra. Then, slamming his hands on the ground and releasing the Chakra into it, he uses the Chakra to manipulate the earth as he uses it to raise a wall