Vacuum pumps are also used by BDSM couples to procure both pain and pleasure. Some designs even come with an electric sensation for more intense suction.
More About Vacuum Pumps
The two primary types of vacuum pumps include clitoral and penis pumps. These are often enhanced by additional features such as teasers or ticklers. Some pumps even come with a vibrating option to provide the user with more sensation. In some cases, lubrication might be required to enhance comfort and prevent pain.