At 16, the most famous ballplayer alive filled in one sheet of paper. Millions copied it. Almost nobody was taught the rules.

At 16, the most famous ballplayer alive filled in one sheet of paper. Millions copied it. Almost nobody was taught the rules.

The man who built that sheet in 1979 explains the rules for the first time: the order you fill the boxes in, and the two boxes almost everyone skips.

The man who built that sheet in 1979 explains the rules for the first time: the order you fill the boxes in, and the two boxes almost everyone skips.

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As featured in The Wall Street Journal

Covered by The Harvard Gazette

Now taught in 25 countries

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What you'll learn in this video

What you'll learn in this video

Which one box almost everyone copies — and then quietly ignores

Which one box almost everyone copies — and then quietly ignores

Why the chart has rules — and what happens to it when you skip them

Why the chart has rules — and what happens to it when you skip them

What two pitchers from the same high school team both wrote down

What two pitchers from the same high school team both wrote down

Why the picture crossed the ocean — and the instructions didn't

Why the picture crossed the ocean — and the instructions didn't

*This program is an independent educational product of the Harada Education Institute. It is not affiliated with, endorsed by, sponsored by, or associated with Shohei Ohtani, Major League Baseball, the Los Angeles Dodgers, or any MLB club, player, or organization. All team, league, and player names are used for identification and commentary only. News articles and third-party coverage referenced in the video are cited for commentary and are not official statements from any team or league. Results described are the experiences of specific individuals and are not a guarantee of any particular outcome.  ©︎ Mental Training Academy All Rights Reserved.

*This program is an independent educational product of the Harada Education Institute. It is not affiliated with, endorsed by, sponsored by, or associated with Shohei Ohtani, Major League Baseball, the Los Angeles Dodgers, or any MLB club, player, or organization. All team, league, and player names are used for identification and commentary only. News articles and third-party coverage referenced in the video are cited for commentary and are not official statements from any team or league. Results described are the experiences of specific individuals and are not a guarantee of any particular outcome.  ©︎ Mental Training Academy All Rights Reserved.

*This program is an independent educational product of the Harada Education Institute. It is not affiliated with, endorsed by, sponsored by, or associated with Shohei Ohtani, Major League Baseball, the Los Angeles Dodgers, or any MLB club, player, or organization. All team, league, and player names are used for identification and commentary only. News articles and third-party coverage referenced in the video are cited for commentary and are not official statements from any team or league. Results described are the experiences of specific individuals and are not a guarantee of any particular outcome.  ©︎ Mental Training Academy All Rights Reserved.