| http://www.w3.org/ns/prov#value | - And in some cases, it can bring more bacteria from higher up in the colon to the anal opening and provide more of a chance of contamination) and/or a dental dam or other barrier is ideal for the best protection.Also, the person performing the rimming activity's own immune system plays a part in who is able to tolerate a small amount of bacteria and who may not be able to.
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