Let's say Him and Sakura kept blitzing her, sasuke teleporting kaguya into Sakuras first and when kaguya was half dead from all of those punches , even though 5 full force would probably kill her. Sakura extend her Byakugou seal to sasuke and then super enhances his CT jutsu and kaguyas sealed.
Because that was obviously the jutsu used to seal her
Because that was obviously the jutsu used to seal her