A Kegel exerciser is a medical device designed to be used by women to exercise the pubococcygeus muscle (also called the PC muscle). There are three main types: barbells, springs, and rubber bulbs. The barbells (or vaginal barbell) can be used as a vaginal exerciser or as a vaginal dildo or sex toy. kitchen cupboards Made of smooth, polished solid stainless steel, kitchen cupboards it is cylindrical in shape, with a rounded bulge at each end. They typically weigh one pound (454g) and measure approximately 6 ¾ inches (17.1 cm) in length with a diameter of one inch (2.5 cm) at the widest part. Being made of stainless steel, vaginal barbells are nonporous and can be wiped clean with a cloth Moistened with mild soap and water. Spring devices are made of plastic, with removable springs to allow progressive resistance. These allow pressing directly against resistance. An advantage of rubber bulb devices is that They provide visual feedback (via a gauge) of how much pressure you are applying.