Lose 10 inches in 2 weeks with Mari Winsor Pilates. Mari Winsor is back with a new Pilates workout system designed to help you lose weight, firm your body and feel great. The Mari Winsor Slimming Pilates system, called WinsorSlim, uses workout DVDs and the patented Accelerator to bring the power of expensive Pilates machines and personal trainers to the comfort and convenience of your own home. Mari Winsor is the most recognized pilates instructor in the world. She delivers results. Endorsed by Marisa Tomei.