Temporary 50% discount! Came out as best in our test of 25 brands! 14-day try out period! Used by thousands of happy customers!  The Ergolution - Ergonomic Saddle Stool with Backrest - Black came out as best in our test of 25 brands, along with the White version. The ergonomic saddle stool has been used with great success for years for all sorts of back complaints and disorders and it is being highly recommended by many physiotherapists to support the back when working or just simply sitting at home.