Kutsukae (沓替え) (changing your footwear) is the ninjutsu of "deceptive stepping". There are ten variations according to Natori Masatake: * Nukiashi (ぬき足): Stealthy footsteps where you pull up your feet as you walk * Suriashi (すり足): Shuffling your feet along the ground * Shimeashhi (しめ足): Tiptoeing by restraining one's footsteps or tightening one's walk * Tobiashi (飛び足): Skipping * Kataashioto (片足音): Walking with a false limp * Oashi (オアシス): Walking with long strides * Koashi (小橋): Walking with short strides * Kizamiashi (刻み足): Reducing the size of one's stride * Hashiriashi (ハシリヤシ): Running * Tunenoashi (歩く): Walking