A simple demonstration of the technique was when Densetsu fought his brother, Kazuo Uchiha. The moment the battle started and the two had activated their Sharingan, Densetsu had already implanted the Genjutsu into his brother, which activated three minutes into the fight. Kazuo was tricked into believing that Densetsu was further away then he actually was in reality, hence allowing the latter to land a knockout blow to the former's jaw.