Another method of protracting inverted nipples is to have the nipple pierced. Extra breasts may appear with or without nipples or areolae. Breasts, and especially the nipples, are erogenous zones. Breasts, especially the nipples, are an erogenous zone. Breasts and especially the nipples are among the various human erogenous zones. In women, the Skoptsy removed the nipples or the whole breasts. He also confessed to tearing at victims' genitalia, lips, nipples and tongues with his teeth. Additional nudity like breast nipples and strong cleavage was also censored. Both are nude, and one of the phoenix's nipples and her buttocks are visible. Also, R&B singer Cassie has both of her nipples pierced. Pigmentation of the nipples and areola also increases. Achieving orgasm by stimulation of the nipples or other erogenous zones is rarer. Females had two nipples on the udders. He began torturing her, nearly biting off one of her nipples. Pain can come from possible lacerations, incisions, uterine contractions and sore nipples.