The Human Trainer / Astone Fitness Ltd. is a world leader in the Suspension Trainer and Resistance based, portable fitness equipment category. We offer our affiliates a 15% commission on all sales generated from any of our e-commerce websites at our website: Our product lines include: The Human Trainer, Ripcords, Leg Cords, Flexcords, Stretch Buddy, and Circuit7 and The Human Trainer X50 Streaming Workout Programs. The Human Trainer / Astone Fitness prides itself with industry-leading warranties, customer service, and quality products at a competitive price. We have many re-occurring buyers and have been in business since 2004 with operations in North America, Asia and Europe. We can be reached if you have any questions: