Throwing bags are best in an emergency, but an old jib sheet can cover a lot of water.
We all know the drill. A new arrival pulls toward an unfamiliar marina or fuel dock with a breeze blowing, and they cant quite get in. An inexperienced crew is rapidly dispatched to the bow and instructed to throw a line to a helper on the dock. They grab a coil of line, heave it . . . and it lands in a tangle in the water, scarcely halfway to the dock. Confusion erupts and the boat kisses a piling or nearby boat. If and when the line is successfully thrown, its a wet tangled mess aimed at your head.