Well that's easy to say, any of use could have Google'd it for the easy way out.
If you had read all the way through the thread, George, you'd have noticed that we mentioned that this is for a very specific situation, and not for regular use rappelling.
I'm starting to notice a trend here. You're maybe reading the first couple posts, then posting, as you did in another thread. Try reading the WHOLE thing, so that you're not covering territory we've already been over.