Cloud 9 Curved Prostate Plug with Bonus C Rings Purple. This prostate plug is comfortable with a thick angled tip to reach your favorite spot. This silky smooth plug allows for easy insertion. The Cloud 9 Curved Prostate Plug is crafted from premium silicone. Its curvy shape slides into your backdoor smoothly and easily, and stimulates your internal hot spots for exquisite sensations. Used for centuries, prostate massage has two purposes, to maximize the male orgasm and to promote the health of the prostate gland. Although it may be used for both, our device is designed mostly to stimulate the male g-spot for pleasure and a more intense male orgasm.