One of the key items in this work that appears in the manga "Jujutsu Kaisen".
One of the "special grade curses" that appear in "Jujutsu Kaisen". They are literally his fingers that contain the soul of the Cursed King, Ryoumen Sukuna, and there are 20 of them in total. Furthermore, since Sukuna was a monster with four arms, all of his arms were fingers instead of toes.