G5 Applicators provide a deep, heavy-pressure massage due to the two-ball firm rubber. It features four different applicator choices for the massager. The Right Angle Directional-Stroking Adaptor can be used when a full percussive effect from the entire surface of an applicator is needed. A Soft-Sponge Rubber 3-1/2" Diameter is designed to provide a gentle massage over sensitive body parts. The Multiple Prong Applicator is designed for vigorous massage and surface stimulator over large body areas.