I got my saddle stool free, by bargaining with the dealer when I bought my sit-down longarm at a quilt show. It was love at first "sit"... All the machine dealers had them. I love my stool so much that I plan to buy another one for my DSM downstairs.
There are variations available, but this is basically the style I use:
https://www.bing.com/images/search?v...gle.jpg&sim=11