- The Bitter Side firmly tightens while the Sweet Side gently clings to your shaft.
- Normal use is one side at a time with earphone that package included!
- However, simultaneous use of both will provide a brand new feeling of two contrasting sensations!
- To create a strong internal vacuum.
- Cup features the smooth pad insertion mechanism!
- This mechanism not only offers extra adherence, air-tightness and less lubricant leakage, but will automatically apply lubricant to your shaft as you insert!
