A therapeutic joint cover apparatus for massaging a knee while also providing compression that includes a tapered support body having an oval cutout centrally disposed therein which is surrounded by vibrating motors. A trio of length adjustable straps engages respective rings on the opposite side of the support body and a hook portion of hook and loop fastener disposed the straps outer ends removably attach to an outer side of the support body to secure the support body to a users knee. An interior lining disposed on the support body inner side provides a cool comfortable fit between the vibrating nodes and the users knee. The apparatus is self-contained, including an on-off pressure-switched rechargeable battery housed in a pocket proximal to the top end so that no assembly or other preparations are required.