Accommodating resistance training is a technique that increases resistance as a lift progresses, using chains or bands to change the weight of the bar. This technique can help improve strength and power, and can be more effective than traditional free weight training. METfit has over 400 lbs of chains and hundreds of bands. Accommodating resistance training can help improve rate of force development (RFD) and break through sticking points. It can also help expose the body to heavier loads and increase the amount of force and velocity that can be trained simultaneously.