gobok 8 Modes Knee Massager with Heat-20 Intensities Cordless Knee Brace forArthritis Pain Relief, Muscle Relaxation& Joint Support -ldeal for Knee,Shoulder, Elbow - Gifts ldea Grey is up for auction in Health & Household. The current bid is $4.50, 87% below the $35.99 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.