Relax & Spin Tone-style body massagersHeres a detailed overview of handheld Relax & Spin Tone style body massagers (often marketed as 5in1 slimming toning and relaxing devices): What It Is A hand held, electric vibration & rotation massager featuring multiple interchangeable heads (typically 45) that spin or oscillate to: Promote relaxation and relieve muscle tension Stimulate circulation in areas like arms, thighs, waist, back Provide a body toning effect, often marketed for cellulite