Fūinjutsu

Evil Sealing Method

 * Name: Fūja Hōin, 封邪法印, literally "Evil Sealing Method", English TV "Curse Sealing"
 * Type: A-rank, Supplementary, Short range (0-5m)
 * Users: Kakashi Hatake

This jutsu is used by Kakashi on Sasuke Uchiha's Cursed Seal of Heaven to hamper its activation. This seal is dependent on the recipient's willpower to some extent.