حبل مربوط بالأخدود الإكليلي والزب ، وإصلاح الواقي الذكري ، ونائب الرئيس في الواقي الذكري

The coronary groove is bound when it is not erection, and the urethra is very narrow after the erection. Only the first 4 ejaculation contains semen, and the subsequent semen cannot be ejaculated. The purpose is to keep wearing a semen condom after ejaculation.