tongdayi Waist Twister Machine, Ab Workout Equipment with 330 lbs Weight Capacity, Ab Twister Board for Women Men with Two Strong Highly Elastic Twisted Rope is up for auction in Sports & Outdoors. The current bid is $2.00, 95% below the $39.99 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.