Targeted pressure in the depth of the tissue. Trigger Point massage ball for the treatment of discomfort and stiffness. The fixed area provides targeted pressure to penetrate deeper into the muscle. Changes its shape at elevated pressure. The striped zone channels the blood and the oxygen through the tissue during the massage. MB1 is designed to mimic the feel of the hands of the practitioner. The solid core, wrapped in EVA foam, allows for applying the pressure. The surface is easy to clean.