Be active knee support magnet inside with boxproduct details BeActive is a pressure pad combined with a leg brace which may help to reduce back pain. The brace applies targeted pressure to the specific point on the leg which helps to relieve pain. Its a simple and effective way to help relieve back pain. It's quick and easy to apply, discreet and can be used whilst exercising, sleeping and working. How Does it Work The secret is the accupressure pad, applied to trigger points to relieve tension