It is called a Forhan locking wrap. Rodbuilding.org has pretty good instructions for it here: [url=http://www.rodbuilding.org/library/library.html:a280f]http://www.rodbuilding.org/library/library.html[/url:a280f]

You might find a few other tips and tricks that might help you out too. Check them out. Good guys over there, and some of the most skilled builders you will find. But don't leave us here, though.