Fifty Shades of Grey Weekend Collection Driven by Desire Silicone Butt Plug. Elicit intense arousal from exotic new places with Driven by Desire, a butt plug created to bring new sensations into the bedroom. While sized for beginners, the plug is shaped for maximum impact, with a curved tip to tease sensitive nerve endings. Features of Fifty Shades of Grey silicone butt plug. Bent tip targets sensitive nerve endings. T bar base prevents unwanted travel. Created from velvet soft silicone. Sized for beginners.