The user creates a giant, boar-shaped, earthen lid high in the air that falls on the target, trapping them.
- The Japanese word for lid (蓋, futa) is pronounced almost the same as the Japanese word for pig (豚, buta). After certain sounds, the f-sound becomes a b-sound, as is the cases in the name of this technique, making the two homophones. The lid created with this technique is shaped like a pig or a boar, making the name a pun.
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