Abstract: Provided is a massage roller or ball comprising: a) a rigid cylindrical or spherical body; b) a sheet of a heating pad placed over the cylindrical body; c) a rechargeable battery placed inside of the cylindrical or spherical body; wherein current from the battery makes the heating pad increase in temperature. Provided is a massage roller comprising: a) a rigid cylindrical body; b) two end caps, with each end cap placed at one end of the cylindrical body; c) a sheet of foam placed over the cylindrical body; d) a sheet of woven carbon fiber placed over the foam, the sheet of carbon having two conductors that do not touch each other; e) a cylindrical shell placed inside of the body; f) a rechargeable battery placed inside of the shell; g) two lead wires carrying current from the battery to the conductor, each wire connected to one of the conductors; wherein current from the battery heats the heating pad.