1. Tribadism or tribbing: two females mutually rubbing vulvae together.

2. Vulva and vaginal wall often covered with white film after strings, rub out exposed face, susceptible mucosal swelling mould, often accompany pruritus vulvae and burning-sensitive pain.

3. Genitalia adoration of bamboo consists of vulvae adoration and phallism, the former is the outcome of matrilineal society, while the latter is the outcome of patrilineal society.