If you want to size a ring larger you need to cut it at the base and add a matching sliver of silver shaped to match, and solder it, clean it up, file any roughness, reshape it, and polish it.
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.