Magnetic ring for penis and testicles! A ball stretcher's task is to go around the top of the testicles so that it can stretch/lengthen the scrotum. the testicles are pushed down into the scrotum. the longer the ball stretcher is around the testicles, the more it weighs down on them and stretches them. it can go from a nice arousing feeling to a strong pulling feeling with an intentional small or large amount of pain. this ring is a ring and stretcher in one and has a strong magnetic piece that can be removed and makes the ring easier to put on. silver-coloured cock ring/ball stretcher made out of stainless steel. with a magnetic piece to open and close the ring. inner ø: 34 mm. outer ø: 63 mm. thickness: 14 mm. weight: 234 g. metal.