Four Hand Massage is a bodywork technique of using two masseurs or masssage therapists simultaneously practicing a single modality or multiple. Learn more here:
www.wisegeek.com/what-is-a-four-hand-massage.htm
Video Clips:
4 Hands Massage Part 1
4 Hands Massage Part 2
4 Hands Massage Part 3
4 Hands Massage Part 4