Enthusiasts of anal stimulation should definitely look into this anal vibrator from the Doc Johnson collection. The shaft of the vibrator is ribbed ensuring an amazing stimulation during insertion and removal. Along with powerful vibrations this will give you optimal pleasure. The vibrator is easily adjusted with the turning knob at the bottom, giving you the option to set your very own vibration modes. The cap is easily removed from the vibrator so batteries can be replaced. The vibrator is easy to clean with a toy cleaner and a clean cloth.