High-quality Geisha balls. The steel ball installed inside provides great pleasure with its tremor, which occurs during movement. Trained Kegel muscles can bring greater pleasure to a man, as well as to a woman during sex. In addition, the pelvic floor muscles are responsible for keeping a woman's reproductive organs in place, as well as for urinary continence, problems with which may arise, for example, after pregnancy. What are the benefits of systematic Kegel muscle training? Firstly, the exercised muscles become stronger. Secondly, stronger muscles will bring much greater pleasure during sex to both. The ball ensures maximum safety of use.