Woot offers Star Uno Core 15 Plank Machine for $109.99 (orig. $399.99). Free shipping for Prime Members.

Product Description:
Introducing the innovative Core15 abdominal machine ideal for your home exercise routine. The one machine that can give you a total body workout while slimming and shaping your abs. All you need to do is hold on and let it work! The Core15 can be used in sitting or plank position, by making your body adjust to the machine's movements while maintaining balance. Multiple speeds allow you to increase workout intensity. Add the Core15 Plank ab machine to your home workout equipment to increase core strength.

• Core15 gives you a fantastic workout with a variety of pre-set programs designed to engage all of the muscles in your front, back and core
• Fitness experts and personal trainers around the world have been harnessing the power of the plank for years
• Burn calories and promote better posture, improved circulation and lymphatic movement with Core15
• Weight capacity: 220 lbs.
• Imported