They are stuck to a window by suction cup. Communications with Laserdisc players were via infrared LED attached via suction cup. Three suction cup anchors hold each turbine. The term comes from the French word for "suction cup". The ventral fins are fused into a single suction cup shape. A seal quality test measured the pressure generated from each self-sealing suction cup. The stalk forms a basal disc to attach itself like a suction cup. Its tongue acts as a suction cup; food is seized and swallowed almost whole. This may consist of a weight or a suction cup both fitted with a handle. Topsies&colon; These mutated seed pods resemble worms with a suction cup on each end. It acts like a suction cup in holding the louse on the fish. His initial designs consisted of surgical cord attached to a board with a suction cup. In 1868, Orwell Needham patented a more refined suction cup design, U.S. Patent No. The portraits have a small suction cup at the top for mounting.