나루토 wear the necklaces that Tsunade gave it to him.First,she gave it to Nawaka,her little brother,then he died.After that,she gave it to Dan,her lover and then he died too.They said that the necklaces don't except anyone but her.And when Jiraiya and 나루토 went to find Tsunade to make her the 다음 Hokage,she and 나루토 bet that if he can learn how to use Rasengan in 1 week,she will gave him the necklaces,and he ươn the bet.Actually that necklaces belongs to Hashirama!
