Regardless of how you get tennis elbow, once you have it, it is hard to treat effectively unless you get Coopercare Lastrap. Hundreds of doctors already prescribe it as the only truly safe and effective treatment for your tennis elbow. All Coopercare Lastrap products use THERMOVIBE technology designed by Prof. Anthony Last, a world renowned research scientist. This technology allows the products to efficiently absorb damaging vibrations. At the same time natural body heat is directed into the muscles to keep them warm and stimulate blood flow. All Coopercare products are scientifically designed to offer not only relief to pain but also good protection against further or recurring injuries.