I may be behind the times, but I have never seen these before and was thinking maybe someone may like them.
Here is a website that sells them, but I found them in the camping section at Walmart for around $15 for an 8' strand (bought two strands).
http://www.sportsmansguide.com/net/cb/C ... tid=304638
Also found them on ebay:
http://cgi.ebay.com/ws/eBayISAPI.dll?Vi ... 602_263622
And two other places (more expensive):
http://www.mobilemart.com/product.aspx?p=82371
http://www.bellrpg.net/soderbloom/RV/gr ... &GRP=%2079