She held the kitten 'by the scruff of its neck'.
(..) playing with a toy by the fire - Gregor's toy, a wooden knight. Gregor never said a word, he just grabbed his brother by the scruff of his neck and shoved his face into the burning coals. Held him there while the boy screamed, while his face melted. (..)2011 TvShow: Game of Thrones Title: Cripples, Bastards, and Broken Things Season: 1 Episode 4