On Tue, 23 Sep 2014 12:43:20 -0400, Ralph Mowery wrote:

I would go to an army surplus store if one is near you or get on ebay
and look for what is often called 550 cord. It can also becalled
paracord or parachute cord.

I have 1,000 feet of the black parachute cord!

That's a great idea, but it seems to be too thin to hold a typical
clothespin.

Does line that thin (about the thickness of a dress shoe shoelace) work
for clotheslines?