You cannot add "Sylvia" to the cart because the product is out of stock.
All people have sensitive nerve endings around the anus and anal canal. These nerves can increase sexual arousal with stimulation because some of them work in the same arousal network as the arousal nerves of the genitals. However, anal play is not for everyone and should be carefully approached with information to prevent problems. For more information: How to Choose an Anal Toy.