Weights

A is a heavy object used by Rock Lee to train. Rock Lee wears the weights on his legs, and when he removes them, his speed increases. They have the word written on them.

In the Naruto: Ultimate Ninja series, Rock Lee's weight appears as an item that can be thrown on opponents to temporarily reduce their speed. It is named in the first game and Weight of Determination in later games.

In Naruto the Movie: Guardians of the Crescent Moon Kingdom, Rock Lee wears heavy iron bars that can be combined into weapons like a pair of nunchakus, a bō staff, and a long chain.