These silicone nipple suckers have a cool diamond plate texture. Squeeze the bulb, place over nipple and release bulb to create a suction that pulls and brings sensation to the nipple. Repetitive application will increase the size of your nipples over time creating a sexy look. The suction can be greatly increased by using lip balm or petroleum jelly around the outside edge. About M2M - M2M your prime source for luxury leather gear and pleasure toys for ultimate man2man satisfaction: products designed for gay men by gay men since 2006. A simple plan to service the gay male market. M2M is still, after 12 years, the only brand with the courage to show two gay men on the front of the package. The brand connects proudly and quickly with the gay consumer.