"The Complete Book of Anchorng and Mooring" by Earl Hinz will answer
(almost) everything.

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Charles T. Low
www.boatdocking.com

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"Gordon" wrote in message
...
How do all you cruisers keep your boats from walking all over the place
when using brait or nylon at anchor? Chain lays on the bottom and pretty
much holds you in one place but line lets a boat roam at will. How do you
prevent that?
Gordon