The technique allows one to penetrate the subconscious of another person and extract information from it. To do this, the user places a palm on the target's head. One can obtain even what the target has forgotten or deliberately blocked. The speed of reading depends on experience: a master flips through days of memories in an instant and immediately finds what is needed, while a novice is forced to view each memory in full. Memory blocks require more time. There is a special device that speeds up the process and allows other shinobi to connect.In rare cases, the user is able to read minds without direct contact.