One System, Many Applications – LASERwrap® toolkits have a solution for any area of the body. The hock/knee wrap is constructed of perforated neoprene with an inner pad made of durable air mesh amplifying radiant Coherent LASER Energy from emitted from the dual filaments automatically day and night with out wires. The laser pad is designed and proven to dynamically improved circulation of blood / lymph / oxygen while vasodilating the veins and arteries feeding horse’s knee , hock and fetlock joint areas .