|English anime||Genjutsu: Block|
|Manga||Volume #45, Naruto Chapter #418|
|Anime||Naruto Shippūden Episode #157|
|Appears in||Anime, Manga|
The user can use this technique to place mental blocks in the target's mind that contains valuable information in case the one with the information is captured and interrogated. The barricades look like stylized traditional Japanese sliding doors. According to Inoichi Yamanaka, it is very effective against truth serums.