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Give out mini pacifier necklaces with instructions to try to trick the other attendees into losing their necklaces by getting them to say the word "baby." Watch as creative partygoers engage women in seemingly harmless conversation like, "Do you have any children?" or "What year was your first child born?" You'll be amazed at how this always leads to women absentmindedly uttering the word "baby." One or two partygoers will end up with 15 pacifiers around their necks.