Tips Anal plug is a toy specifically designed to be inserted into the anus and kept in place during sexual games and other times. People use anal plugs for different reasons. Some people use plugs to prepare their rectum and sphincter for anal games.Some people use them as role plays for dominance and obedience. Some people find anal stimulation very pleasant and use plugs to enhance orgasm. The prostate can be stimulated through the anus and often provides a very strong orgasmic experience for men.