1) Directly guess a card the audience has chosen in their mind without any hints. (Includes a setup where the content is guessed by having the card memorized.) 2) Predict a card the audience has chosen in their mind. (Includes a setup where the performer sends an image of a pre-placed card and the audience receives it.) ● Since it deals with the human mind, "mental force" is difficult to practice, but I want this to be a booklet that makes people who thought "mental force is just a fantasy" think, after reading it, "Wow, mental force is actually possible." Thus, the "Mental Force Practical Handbook" was born. ● Does "mental force" work 100% of the time? Certainly, 100% is difficult. Especially in the beginning. But, there are also magic tricks where even if it fails, it's still incredibly mysterious.