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Insailing,chafing is the process of wear on a line,sail oryard caused by constant rubbing andfretting.[1] Various methods are used to prevent chafing, such as employing chaffing gear or shiftinghalyards to move their wear-point.[2] Chafing of lines that rest on a choke on a boat can be prevented by putting a protecting material around the line. Traditionally ropes were wrapped in canvas and lubricated withtallow; however, plastic sleeves or pipes (sometimes as simple as a piece of oldgarden hose) are more common in recent times.[3] Chafing of a sail rubbing against a cable can be prevented on large ships by tying abaggywrinkle around the cable.[citation needed]