Prostate PlugsButt plugs for the prostate have a curved tip that reaches forward in the anus to stimulate the male prostate gland, located a few inches inside the anus facing forwards (towards the penis). Some prostate plugs have internal or removable vibrating motors with multi function or powerful vibration settings. Styles with a flat base can be worn under the clothes or in public. They are discreet enough not to be noticed. P-Spot plugs that vibrate are commonly worn by men while jerking off. Butt plug and penis ring combinations are a best selling sex toy for men, providing sexual enhancement for him during sexual intercourse.