The Barrel Swing, adopted by MLB players like Aaron Judge and Mookie Betts, is a hitting technique that accelerates the "barrel" of the bat in the shortest path and keeps it on the ball's trajectory for longer. In recent MLB, many power hitters swing with this concept in mind, and Shohei Ohtani is currently considered the world's best practitioner of the barrel swing. In Japan, Yuuji Nerezu, representative of the baseball academy "Nerezu Dojo," advocates for this technique. If you are interested, please check it out on YouTube or other platforms. This bat is a training bat designed to help you achieve the barrel swing. By swinging while utilizing the weight of the barrel portion, you can develop an accurate swing trajectory. Japanese players such as Seiya Suzuki, Masataka Yoshida, and Kazuma Okamoto have also been seen training with this bat. Compared to practicing with a regular training bat, it makes it easier to develop the feeling of keeping the sweet spot from separating from your body, and the swing speed feels closer to that of a regular bat. After practicing with this bat to hit line drives, you will experience a wonderful head speed when you swing a regular bat. [Features] The distinctive white center section is designed to be suitable for acquiring a swing that creates an ideal batted ball angle, known as the "barrel zone." [Material] Made of maple and manufactured in Japan. It is for adult use (34 inches / average 1400g). I am selling it because I no longer use it. It shows signs of use, but it can still be used.