To avoid this, squeeze the closed end of the condom between your forefinger and thumb and place the condom over the erect penis.
To avoid this, squeeze the closed end of the condom between your forefinger and thumb and place the condom over the erect penis.
因此先用拇指及食指按安全套前端，把空气挤出，然后套在勃起的阴茎上。