PURPOSE: To perform finger-pressure simultaneously on the shoulder, the waist, the legs, etc., and to promote blood circulation by knitting spherical parts in each of which a hole for passing a string through is opened with the string into a mat-like shape, attaching suckers for fixing thereon and fixing the mat in a bathtub by suction.

CONSTITUTION: Spherical parts 1 in each of which a hole for passing a string 2 through is opened are knitted with the string 2 into a mat-like shape and a proper number of suckers 3 are attached on this mat and the mat is fixed in a bathtub by suction. As the raw material for the parts, plastics, woods, charcoals, etc., can be used. In addition, the mat can be used not only in the bathtub but also in other places by laying it in usual way. It is possible thereby to perform finger-pressure simultaneously on the shoulder, the waist, the legs, etc., and to promote effectively blood circulation during taking a bath.