5) Suture Sets: Got a pretty hardcore medical bag with suture sets? That's great if you know which ones to use and how to use them. The chromic gut absorbable sutures you picked up at the gun show aren't the best choice, and some folks even have a reaction to chromic gut. Instead, choose nylon (i.e. Ethilon), Gore Tex, silk, fiberwire, polyester (i.e. Ethibond), or polypropylene (i.e. Prolene) sutures for normal skin closures. Use 3-0 on the trunk, 4-0 on the limbs and 5-0 on the face, hands, feet, or other thin skin.