Techniques in transfixing nasofrontal augmentation grafts.

I had a disastrous primary which involved the surgeon removing my rasping my radix and bony base down significantly. I am very interested in nasfrontal augmentation. I am interested using coastal cartilage for this and would like to know how grafts are transfixed at the glabella to prevent migration and warping? I want to have an onlay graft that's constructed out of coastal cartilage to cover the bony area of the nasion and not the middlevault. I want to use ear and septal for the middle vault