The easiest of these are pencil or wand formed (however typically thicker than a pencil). They frequently have an inward battery (or two) that controls somewhat electric engines. Every once in a while the battery pack and regulator are outer and associated with the ดิลโด้ by a wire. This engine is fitted with a minimized, adjusted, weight connected to the shaft. As this weight turns it tosses the engine and vibrator into a minimized roundabout development which causes the vibration you truly feel.