There's more to it that that. Posted by: Bnystrom on Dec-16-12 5:48 PM (EST)
Over time, the skeg rope will acquire a buildup of salt and minerals that stiffen it to the point that it won't readily make the sharp bends required. Rinsing with fresh water can help, but eventually the rope will have to be replaced. In general, you want the most flexible, slipperiest non-stretch cord you can find.