The heat of the tropics in the palm of your hand lava shell massage is the ultimate pampering treatment a deeply relaxing massage that uses heat to melt away your aches and pains better still it is eco friendly combining discarded tiger striped clam shells with a sachet of natural ingredients to create the worlds first self heating massage tool using light swedish massage strokes the large smooth side of the shell delivers a deep and soothing effect the hinge at the back gets deep in