"Feelings of the Knight of the Iron Hammer" (「鉄槌の騎士、想う」 Tettsui no Kishi, Omō) is a special "chapter ex" of chapter of::Magical Girl Lyrical Nanoha ViVid. It was originally published on published::November 30, 2010, four days after chapter 19, and is therefore considered chapter N::19.5 for the chronology purposes.