A glass container storing unit in which the bottom section of a conical first glass container is stored is supported on one base of a cylindrical motor storing unit in which a motor stored, with a rotation axis. A second glass container in the shape of a Welsh onion flower is attached to the other base of the motor storing unit. Negatively charged metallic silicon is sealed in the first glass container and second glass container. The pointed section of the first glass container is pressed against a human body by rotating the first glass container with the rotation axis.