Aug 31, - What does the circumcision procedure involve? of skin from the foreskin, whereas adults must undergo a minute procedure, slicing the tip. Dec 15, - Most neonatal circumcisions are conducted with a special device that fits over and protects the head of the penis. The Gomco clamp works by pulling the foreskin over a metal cap, with the glans nestled safely inside. The doctor then screws the clamp over the cap and snips around the edge.