Ultra–Long 12–Motor Heated Massage Cushion

This thing's got more motors than a Mercedes–Benz seat.

From the website:

12-motor massager with heat provides an all-over body massage in most chairs or on your bed.

Therapeutic massaging action delivers customized relief for tension and sore muscles.

12 motors in six massage zones isolate individual muscle groups.

Lumbar heat option for enhanced lower back relief.

Three programs, four intensity settings and four speeds allow further customization.

Adjustable headrest and backlit remote control.

Automatic 20-minute shutoff conserves power and adds safety.

Dimensions: 67" x 20" x 3".

$150 here (chair not included).