Male  chastity cage is the practice of a man voluntarily giving up control over his sexual release, often by wearing a chastity device. It may be used for personal discipline, relationship dynamics, or erotic power exchange. Partners may take control of when, or if, release occurs. The practice emphasizes trust, communication, and can deepen intimacy or add a unique layer to a couple's dynamic.

Sex dolls are used to establish intimate sexual relationships and are suitable for interpersonal relationships. The advancement of technology always attracts the attention of most people. Some people doubt the impact they will have on humans. In short, technology makes our lives easier and more connected.