I have a couple of links that might give you some ideas. The first link is for a free book you can download. It is written by a lady whose name is Barbara Tilley and the name of the book: "Wire Fun"
The switch knot is a decorative lacy macrame/ hemp jewelry knot that helps you save on twine too. This tutorial shows you how to tie one with clear pictures and instructions.
A sliding knot is a wonderfully easy way to end off a leather, string, hemp, or corded necklace or bracelet. It looks neat and stylish, is a very practical closure, and is very easy to make.