[Hemp leaf pattern] Secret box 21 + 1 time trick Black hemp
The secret box, Karakuri box, In the "Demon Slayer"!
The "Secret Box" appears in the scene from the village of the sword smith, episode 104, "Kotetsu-san".
The secret box is said to have been owned by Tanjro's sister. As introduced there, the box will not open unless the correct steps are taken to manipulate it, that is the part it is said as "Karakuri (secret)"
The degree of simplicity of the secret box varies depending on the number of steps, with easy boxes requiring only two operations to open, and difficult ones requiring more than 100.
This Black hemp pattern secret Karakuri box has 21 plus 1 time steps
Size: 5.9 x 3.8 x 2.8 in (15.1 x 9.7 x 7.0 cm)