... warm in the effect of three materials of the neodymium magnet, the aerogel, and thermoflect, and facilitates the flow ... stiff shouldersEffect of promoting the blood circulation of permanent neodymium magnet Strong insulating effect with aerogelHeat insulation action of thermoflect ... L42.5cm Thermography Temperature change testBefore use After use Neodymium magnet cold body is kept warm in the effect ...