411 REFERENCE · Wikibooks
Rope Making for Bondage Use/Resources
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Rope article on Wipipedia
Article on types of rope on SM-201
http://shibari-nation.com/freecontent/main.php?page=ropeprep
http://en.wikipedia.org/wiki/Japanese_bondage