Complex sentence: A buntline hitch is tied to the standing part, the knot is tightened as the meat cooks, and the corned beef knot is finished by a half hitch only after the meat has fully shrunk.
Split into simpler sentences: A buntline hitch is tied to the standing part, and the binding is tightened as the meat cooks. The knot is finished by a half hitch only after the meat has fully shrunk.