Pad having elastic portions

A pelotte comprising a pelotte base body, wherein the pelotte base body has a front side and a back side, wherein the front side of the pelotte base body has at least one protrusion, characterized in that the pelotte base body has at least two expansion areas arranged in pairs, wherein the two expansion areas divide the pelotte base body into a first pelotte base body area and a second pelotte base body area and wherein the at least two expansion areas are each at least one groove in the pelotte base body, wherein the pelotte base body has a cavity, characterized in that the pelotte base body has an outer face and an inner face directed toward the cavity, wherein the at least one groove begins on the outer face and does not extend to the inner face or begins on the inner face and does not extend to the outer face.