Sinful Black Whip. Sinful has been the name in affordable playful kink in pink. Now, Sinful made sexy a little bit sexier! NS Novelties is excited to introduce Sinful Whip. Everyone’s favorite collection is now available in a stunning black or pink finish. while continuing to deliver the quality you expect. Nickel-free anodized hardware. Aesthetically striking embossed vinyl. Lined in soft yet durable liquid play friendly neoprene.