 The incision was then done with a 15 C blade starting at the columella and then going laterally to the level of the rim and the double hook is placed at the level of the dome and the intracartilage incision is done through the mucosa, then extended laterally and upward to follow the lower lateral cartilage. 
The incision was then done with a 15 C blade starting at the columella and then going laterally to the level of the rim and the double hook is placed at the level of the dome and the intracartilage incision is done through the mucosa , then extended laterally and upward to follow the lower lateral cartilage .