Flip Zero Electronic Vibration Male MasturbatorIt is an "object of pleasure" created by a change in thinking. Gently stacked triangular protrusions form its structure. With tightly packed triangles bearing a soft sensation at the base and a distinct rippling stimulus as they space out at the tip. A three dimensional structure is constructed so that triangular protrusions accumulate. Where the projections are dense, a fine pulp feeling is produced, and when the interval is widened, the stimulus