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The picture shows the end of the line coiled neatly on the dock. You can start at the outside and work toward the centre, or what is easier is to start at the centre and rotate the whole coil on the dock until all the line is taken up into the coil. It may be appropriate on a boat's deck where there should be little dirt and on the dock for a short stay (overnight).
As neat as this appears on the dock, there are some valid criticisms.
- If you pull the rope out from the centre, there is a good chance you will have twists in your line.
- If you leave it on the dock for a long period, the moisture will deteriorate the rope's strength and the wooden dock decking.
- If it is in a walking path, it will be stepped on and collect dirt.
- It could stain the dock or deck with a dirty spiral.
If staying for a long period, a better way to store your excess dock line is to coil it loosely, then hang it over the cleat hanging down the side of the dock. It can't be stepped on and it dries after each rain and morning dew.