His music career caused him to sever ties with his father. An ethmoid fracture can also sever the olfactory nerve. They use this "tooth" to sever their prey's vertebrae fatally or to rip insects apart. The person assisting the birth may also sever the umbilical cord. The law closely regulates the circumstances under which each may sever or sell their share. Common symbolism also includes nettles placed beside an object one wishes to sever ties with. Ford did not completely sever ties to his musical contemporaries. They sever the monster's arm and bring it with them. He ultimately uses the rigging to sever Ben's hand and send him overboard. The snipers aim for the medulla oblongata to sever the spine from the brain. Another method is to split the lobster or sever the body in half lengthwise. The natives sever one of his hands and drag him back to the village. He explains he gave up his material possessions to sever himself from his previous life. In such danger, the "retiarius" could sever the drawstring from his wrist with his dagger. Forces would sever the trans Siberian railroad and fight westward toward Moscow.