The Nick Hawk Gigolo Kegel Balls from Cal Exotic Novelties. Nick Hawk... He's the star of the hit Showtime television series GIGOLOS, and a highly paid expert on what women want. Nick worked closely with us to create this complete line of pleasure products. Stainless steel orgasm balls. Ergonomically weighted to tighten and tone Kegel muscles. Non-tarnishing. Nickel-Free. Stainless Steel. 0.75/2 cm (each ball).