Hollow round massage body with part spherical end

摘要

The body consists of a circular base plate and a top plate the central part of which is in the shape of half a sphere. The two plates are interconnected along their circumference by a bellows type convolution. The body is filled with air. The bottom plate has an extension which is used as a handle to manipulate and position the body on the backrest of a seat to be in line with those parts of the back or shoulders which ache.