TAMKO, Joplin, Mo., offers Shingle Starter universal starter course shingles. The shingles are factory cut to eliminate the difficulty of field cutting 3-tabs and roll roofing materials. The finished product is a straighter first course of shingles. The product helps to reduce labor, cut waste and give you a head start on the competition. The Shingle Starter also comes with a factory sealant strip to eliminate the need for plastic cement.