• Thinkstock
    9 of 10

    Body Modification

    We’ve already seen some daring souls alter their bodies for enhanced sexual pleasure — clitoral hood piercings often make oral sex better for women and some dudes have had penile implants to make their business bigger. But that’s just the tip of the iceberg: Advances in prosthetics and artificial limbs have come fast and furious in recent years, and some sex theorists are already predicting the possibility of flexible, thought-controlled tentacles that can be used to stimulate your partner in totally new ways. You might need to get your clothes altered, though.