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Re: Boat Bondage!
A couple of things that, based on what I see at most docks, a lot of people don't seem to know. (1) A dock line that's held up fine for weeks during settled weather, can chafe through in a very short time when exposed to rapid movements. Especially where there is any kind of turn or riding over even a smooth edge. (2) Nylon dock lines have a lot of stretch, especially three-strand but not as much with double-braid. The longer the line, the more shock loading it will absorb. Spring lines should be as long as possible, and no lines should go directly from the cleat at a 90 degree angle to another cleat below it.
The fact that the crew of the large yacht above didn't know this shows their inexperience.