This is a practical application of the Multi-Size Technique, which lets one expand parts of their own body. As the expansion happens so suddenly, it can catch an opponent off guard and use the increased weight to deliver powerful attacks. Like the majority of the Akimichi clan's techniques, this one requires a considerable amount of chakra. Because of this, one may choose to use one of the Three Coloured Pills.
- In Naruto: Ultimate Ninja 2, Chōji uses this technique under the name Super Fly Swatter (超ハエたたき, Chō Haetataki), however, in the following installment, Naruto: Ultimate Ninja 3, the technique was renamed.