Board Thread:Theories and Speculation/@comment-26145872-20160224202704/@comment-26636534-20160227104951

Even if all six peins were present from the start, Nagato wouldn't use CT in Amekagure. During the fight Jiraiya's ninjutsu was being nullified, but the biggest problem he had was their shared vision, so he needed to find a way to overcome that to beat Pein.