在性保健用品商店里,安全套的花纹和颜色种类日益丰富。很多人以为,这不过是外表上的一种装饰,对性生活没有多大帮助。实际上,这些花纹的出现源自性生活中“利她”的观念,其发展经历了几十年的时间,无论是对生理还是心理,都起到了一定的辅助作用。首先,从花纹样式来看。外表带有颗粒或螺纹凸起的安全套,可以增加对阴道壁的摩擦刺激,能 In the sexual health stores, the condoms are increasingly rich in the variety of patterns and colors. Many people think that this is just a decorative appearance, not much help for sexual life. In fact, the appearance of these patterns originated from the concept of “benefiting her” in the sex life. After decades of development, these patterns played an auxiliary role both in physiology and psychology. First of all, from the pattern style point of view. The appearance of the condom with particles or thread bulge, can increase the friction stimulation of the vaginal wall, can