I got my AB Circle Pro last week and I had a few problems with it.  But it works fine now. I had apply to " Vaseline Petroleum Jelly"  to the rollers so the rollers would move more smoothly.. And I had to lower the red disk so my knees would not slide out of the knee … Read more

I have not tried "Ab Circle pro",  but I think I will get one and some knees pads. Wal-Mart sells "Ab Circle Pro" on their web site.  There is no shipping charge if you pick up at the Wal-Mart store, there is a tax $17.86 (ca.),  other wise 0.97 cents for shipping.