My perfect Onion Ring

This is not about computer's application for tatting lace. It's a development about tatting onion rings.

Onion Ring is a complex shape made of one ring surrounded by a bigger ring, using one thread for both rings. In the old books I've read, onion rings didn't join outer ring to a inner ring's picot. Perhaps this has been a modern modification trying to keep the rings in the intended position.
 
Well, onion rings have been a headache. I'd never tatted a nice, flat, well looking onion ring.

When Georgia asked us to make samples from Nellie Youngburg's book I chose to tat pattern #37 and didn't realized it had many, many onion rings!!!

After some tries I finally developed a method to make the perfect onion ring for me.