Leg massagers are devices that provide relief from muscle fatigue and improve circulation in the legs. They come in various forms, including handheld models, foot rollers, and full-body massage chairs. Benefits of using leg massagers include improved circulation, reduced muscle fatigue, and stress relief. There are different types of leg massagers available, ranging from basic handheld models to high-end full-body massage chairs. The cost of a leg massager varies depending on its type and quality, but can range from under $20 to over $1,000.