三角蹴り - Sankaku geri - Triangle kick
This is a karate kick, done after making a "wall jump".

It was used by Wakashimazu as a way to jump on a goal post and dive to the opposite side (Captain Tsubasa arc, chapter 37, pages 12 to 17), or jump higher (World youth arc, chapter 42, pages 4 to 7).

It was also called Triangle kick defense (三角蹴りディフェンス - Sankaku geri defense) (Captain Tsubasa arc, chapter 86, pages 112-113), as well as Triangle kick jumping saving (三角げりジャンピングセービング - Sankaku geri jumping saving) when he used it to jump higher (World youth arc, chapter 42, pages 6-7).

Players who used it