This is very interesting and useful tips:
When you know you’re going to be using a bunch of jump rings in a
project, it’s easier and quicker to open them all at the beginning of
the project.
Why?
As you’re making jewelry and doing different techniques you’ll be
switching tools. When you do similar tasks at the same time you won’t
have to switch tools, so you’ll save time.
Read more: http://kimberliekohler.com/8302/quick-jewelry-making-tip-opening-jump-rings/
I also came across with this article as well: https://nativeamericanjewelrytips.wordpress.com/
Isabel Ang 