Glyde Dams VanillaA dam is a special type of condom, called an oral barrier, that is used during oral sex to not only protect you from sexually transmitted infections, but also add a delicious flavor to your oral experience. Protect your health (you only have one) while enjoying oral sex (because it's just awesome), a dam barrier should be an essential accessory for all oral sex lovers. oral barrier for safe oral sex intoxicating vanilla flavor and creamy flesh color