Greeture Off-loader Knee Brace Metal Hinged for Knee Pain Knee Support  (Black)

These are OA Offloader Knee Braces which works by transferring whole body weight from thigh to calf, which makes the knee free from any body weight. this process gives relief the knee from pain and these also works for minor arthritis situation. Before using it read the user manual properly and follow the instruction for better results.