The Womanizer Duo 2 Stimulator Lilac is a sex toy that combines clitoral stimulation with penetration. To use it, it is recommended to apply water-based lubricant to the clitoral area and the penetrating part of the toy. Then, turn on the stimulator and adjust the intensity of the vibrations to your preference. You can experiment with the different vibration modes to find the one you like best. Remember to clean the toy before and after each use with a special sex toy cleaner.