Board Thread:Naruto Gaiden/@comment-26889013-20150814064323/@comment-26369387-20150814100345

My thought was that Sakura taught Sarada chakra control, but then I rememberd that Sakura had surprised look, when she saw Sarada punching the Shin-clones apart... So maybe it's similiar to Himawari activating Byakugan in secret?