The stone broke off a special purple appendage from the main phallus. It snaked up, curling between the swollen lips of Amora's sex. The warm stone snaked around the witch's swollen red button, rolling and twisting the nub of flesh in time with the manipulation of her nipples. The rock hard cock moved fast and deep, urgently approaching a strange sort of release of it's own. The stone seemed to thicken and tighten around Amora, restraining her a shoving up her plump breasts as the finale approached.