Originally Posted by Human Rasengan
let me see if i can clarify my stance
Naruto takes on fox's chakra this activates the sage aura and necklace and spiky hair
With his task done at the same time of him obtaining the sage aura the seal re-appears so he can safely lock the fox away from it's chakra I see it as two simultaneous things occurring and not as one
It WAS 2 simultaneous things. Kyuubi's chakra surrounding Naruto, and the seal activating.