Read this tip to make your life smarter, better, faster and wiser. LifeTips is the place to go when you need to know about Gay & Lesbian Health and other Gay Marriage topics.
Dental dams are rectangular latex sheets used most often by dentists during certain oral procedures. Unpunctured, they can also be used to prevent the spread of STDs during oral sex and/or analingus.
But where can you get them? Apparently drug stores carry dental dams, but in the event you can't find any (this writer couldn't, last she checked.), there are alternatives. One of the easiest ways is to make your own, using a condom.